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A332016 Number of compositions (ordered partitions) of n into distinct octagonal numbers. 2
1, 1, 0, 0, 0, 0, 0, 0, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 0, 0, 0, 0, 0, 0, 2, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 0, 0, 0, 0, 0, 0, 2, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 6, 0, 0, 1, 2, 0, 0, 6, 24, 0, 0, 2, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 6 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,10

LINKS

Table of n, a(n) for n=0..87.

Eric Weisstein's World of Mathematics, Octagonal Number

Index entries for sequences related to compositions

EXAMPLE

a(30) = 6 because we have [21, 8, 1], [21, 1, 8], [8, 21, 1], [8, 1, 21], [1, 21, 8] and [1, 8, 21].

CROSSREFS

Cf. A000567, A279041, A279281, A322800, A331843, A331844, A332007, A332014, A332015.

Sequence in context: A070139 A116860 A179391 * A083850 A028718 A028661

Adjacent sequences:  A332013 A332014 A332015 * A332017 A332018 A332019

KEYWORD

nonn

AUTHOR

Ilya Gutkovskiy, Feb 04 2020

STATUS

approved

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Last modified September 26 23:44 EDT 2022. Contains 357051 sequences. (Running on oeis4.)