A331846 - OEIS

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A331846

Number of compositions (ordered partitions) of n into distinct squarefree parts.

5

1, 1, 1, 3, 2, 3, 9, 5, 12, 16, 21, 41, 42, 49, 59, 79, 130, 231, 230, 295, 226, 495, 609, 699, 1472, 1042, 1377, 2308, 2982, 3425, 3879, 4877, 7156, 7189, 13531, 14797, 13570, 19551, 27667, 30327, 36382, 47519, 60783, 70561, 78330, 136988, 121659, 174851

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,4

LINKS

Table of n, a(n) for n=0..47.

Index entries for sequences related to compositions

EXAMPLE

a(7) = 5 because we have [7], [6, 1], [5, 2], [2, 5] and [1, 6].

CROSSREFS

Cf. A005117, A032020, A032021, A032022, A087188, A218396, A219107, A280194, A331843, A331844, A331845, A331847.

Sequence in context: A261999 A360701 A216829 * A332310 A022460 A010605

Adjacent sequences: A331843 A331844 A331845 * A331847 A331848 A331849

KEYWORD

nonn

AUTHOR

Ilya Gutkovskiy, Jan 29 2020

STATUS

approved