Number of set partitions of [n] such that the difference between each element and its block index is a multiple of ten.

A274843

Number of set partitions of [n] such that the difference between each element and its block index is a multiple of ten.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =1a(9) =1a(10) =1a(11) =2a(12) =3a(13) =4a(14) =5a(15) =6a(16) =7a(17) =8a(18) =9a(19) =10a(20) =11a(21) =23a(22) =46a(23) =89a(24) =168a(25) =311a(26) =566a(27) =1013a(28) =1780a(29) =3059

External references