A331924 Number of compositions (ordered partitions) of n into distinct composite parts.

1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 3, 0, 3, 2, 5, 3, 5, 2, 13, 10, 13, 11, 21, 16, 29, 25, 35, 55, 71, 62, 87, 100, 115, 155, 185, 197, 247, 378, 311, 495, 553, 674, 767, 1060, 1047, 1469, 1463, 1846, 2139, 3391, 2713, 4135, 4453, 5930, 6409, 8777

Offset

0,11

Links

Table of n, a(n) for n=0..55.

Index entries for sequences related to compositions

Example

a(14) = 5 because we have [14], [10, 4], [8, 6], [6, 8] and [4, 10].

Crossrefs

Cf. A002808, A023895, A052284, A204389, A219107, A280544, A331917.

Sequence in context: A340090 A297168 A112470 * A201582 A369881 A115379

Adjacent sequences: A331921 A331922 A331923 * A331925 A331926 A331927

Keyword

nonn

Author

Ilya Gutkovskiy, Feb 01 2020

Status

approved