A331982 Number of compositions (ordered partitions) of n into distinct odd squarefree parts.

1, 1, 0, 1, 2, 1, 2, 1, 4, 6, 2, 7, 4, 7, 4, 13, 30, 13, 8, 25, 32, 31, 56, 37, 82, 42, 104, 168, 128, 175, 152, 181, 226, 307, 252, 439, 326, 691, 372, 943, 1190, 1069, 1238, 1435, 2056, 1806, 2102, 2185, 3664, 2550, 4480, 3175, 6090, 3781, 7628, 9691

Offset

0,5

Links

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

Index entries for sequences related to compositions

Example

a(8) = 4 because we have [7, 1], [5, 3], [3, 5] and [1, 7].

Crossrefs

Cf. A056911, A087188, A134337, A134345, A280194, A280198, A331846, A331981.

Sequence in context: A329869 A331188 A058511 * A106380 A076198 A032021

Adjacent sequences: A331979 A331980 A331981 * A331983 A331984 A331985

Keyword

nonn

Author

Ilya Gutkovskiy, Feb 03 2020

Status

approved