A331917 Number of compositions (ordered partitions) of n into distinct nonprime parts.

1, 1, 0, 0, 1, 2, 1, 2, 1, 3, 5, 8, 3, 10, 11, 17, 13, 16, 19, 54, 49, 55, 59, 90, 89, 129, 127, 183, 307, 358, 351, 456, 553, 649, 889, 1015, 1143, 1490, 2219, 1913, 3021, 3394, 4241, 4944, 6663, 6859, 9337, 9522, 12123, 14895, 22425, 18849, 28341, 31468, 41533

Offset

0,6

Links

Table of n, a(n) for n=0..54.

Index entries for sequences related to compositions

Example

a(10) = 5 because we have [10], [9, 1], [6, 4], [4, 6] and [1, 9].

Crossrefs

Cf. A002095, A018252, A052284, A096258, A219107.

Sequence in context: A233439 A256600 A137752 * A328318 A081169 A225765

Adjacent sequences: A331914 A331915 A331916 * A331918 A331919 A331920

Keyword

nonn

Author

Ilya Gutkovskiy, Feb 01 2020

Status

approved