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- Centered_decagonal_number abstract "A centered decagonal number is a centered figurate number that represents a decagon with a dot in the center and all other dots surrounding the center dot in successive decagonal layers. The centered decagonal number for n is given by the formula Thus, the first few centered decagonal numbers are 1, 11, 31, 61, 101, 151, 211, 281, 361, 451, 551, 661, 781, 911, 1051, ... (sequence A062786 in OEIS)Like any other centered k-gonal number, the nth centered decagonal number can reckoned by multiplying the (n − 1)th triangular number by k, 10 in this case, then adding 1. As a consequence of performing the calculation in base 10, the centered decagonal numbers can be obtained by simply adding a 1 to the right of each triangular number. Therefore, all centered decagonal numbers are odd and in base 10 always end in 1.Another consequence of this relation to triangular numbers is the simple recurrence relation for centered decagonal numbers where CD1 is 1.".
- Centered_decagonal_number thumbnail Centered_decagonal_number.svg?width=300.
- Centered_decagonal_number wikiPageID "1216087".
- Centered_decagonal_number wikiPageRevisionID "557557942".
- Centered_decagonal_number hasPhotoCollection Centered_decagonal_number.
- Centered_decagonal_number subject Category:Figurate_numbers.
- Centered_decagonal_number type Abstraction100002137.
- Centered_decagonal_number type Amount105107765.
- Centered_decagonal_number type Attribute100024264.
- Centered_decagonal_number type FigurateNumbers.
- Centered_decagonal_number type Magnitude105090441.
- Centered_decagonal_number type Number105121418.
- Centered_decagonal_number type Property104916342.
- Centered_decagonal_number comment "A centered decagonal number is a centered figurate number that represents a decagon with a dot in the center and all other dots surrounding the center dot in successive decagonal layers. The centered decagonal number for n is given by the formula Thus, the first few centered decagonal numbers are 1, 11, 31, 61, 101, 151, 211, 281, 361, 451, 551, 661, 781, 911, 1051, ...".
- Centered_decagonal_number label "Centered decagonal number".
- Centered_decagonal_number label "Nombre décagonal centré".
- Centered_decagonal_number label "Numero decagonale centrato".
- Centered_decagonal_number label "Центрированное десятиугольное число".
- Centered_decagonal_number label "عدد ممركز عشاري".
- Centered_decagonal_number sameAs Nombre_décagonal_centré.
- Centered_decagonal_number sameAs Numero_decagonale_centrato.
- Centered_decagonal_number sameAs 중심있는_십각수.
- Centered_decagonal_number sameAs m.04j1xj.
- Centered_decagonal_number sameAs Q1587812.
- Centered_decagonal_number sameAs Q1587812.
- Centered_decagonal_number sameAs Centered_decagonal_number.
- Centered_decagonal_number wasDerivedFrom Centered_decagonal_number?oldid=557557942.
- Centered_decagonal_number depiction Centered_decagonal_number.svg.
- Centered_decagonal_number isPrimaryTopicOf Centered_decagonal_number.
