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

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.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =16a(6) =32a(7) =64a(8) =128a(9) =256a(10) =512a(11) =1024a(12) =2048a(13) =4128a(14) =8320a(15) =16768a(16) =33792a(17) =68096a(18) =137216a(19) =279632a(20) =570784a(21) =1166128a(22) =2383312a(23) =4871312a(24) =9955760a(25) =20713120a(26) =43286304a(27) =90751688a(28) =190621800a(29) =400733360

External references