A274863 Number of set partitions of [n] such that the difference between each element and its index (in the partition) is a multiple of six.

1, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4128, 8320, 16768, 33792, 68096, 137216, 279632, 570784, 1166128, 2383312, 4871312, 9955760, 20713120, 43286304, 90751688, 190621800, 400733360, 842536776, 1825618200, 3990868296, 8789613840, 19459895108

Offset

0,3

Links

Table of n, a(n) for n=0..34.

Crossrefs

Column k=6 of A274859.

Sequence in context: A371863 A260814 A274864 * A138815 A275077 A275065

Adjacent sequences: A274860 A274861 A274862 * A274864 A274865 A274866

Keyword

nonn

Author

Alois P. Heinz, Jul 09 2016

Status

approved