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A331925 Number of compositions (ordered partitions) of n into distinct prime powers (including 1). 0
1, 1, 1, 3, 3, 5, 10, 11, 17, 19, 48, 49, 62, 85, 120, 258, 175, 337, 464, 631, 646, 932, 1686, 1991, 2122, 2455, 4118, 4545, 6010, 6481, 13302, 14383, 16177, 16912, 26454, 32024, 35468, 42389, 57334, 107708, 73830, 125629, 142560, 200377, 172752, 244624 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..45.

Index entries for sequences related to compositions

EXAMPLE

a(6) = 10 because we have [5, 1], [4, 2], [3, 2, 1], [3, 1, 2], [2, 4], [2, 3, 1], [2, 1, 3], [1, 5], [1, 3, 2] and [1, 2, 3].

CROSSREFS

Cf. A000961, A023893, A106244, A219107, A280543, A331847.

Sequence in context: A132775 A174102 A217521 * A252943 A294617 A320450

Adjacent sequences:  A331922 A331923 A331924 * A331926 A331927 A331928

KEYWORD

nonn

AUTHOR

Ilya Gutkovskiy, Feb 01 2020

STATUS

approved

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Last modified August 3 01:59 EDT 2021. Contains 346430 sequences. (Running on oeis4.)