Number of set partitions of [n] such that for each block all absolute differences between consecutive elements are <= eight.

A287280

Number of set partitions of [n] such that for each block all absolute differences between consecutive elements are <= eight.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =15a(5) =52a(6) =203a(7) =877a(8) =4140a(9) =21147a(10) =111835a(11) =607726a(12) =3372147a(13) =19006265a(14) =108345829a(15) =622553137a(16) =3596571484a(17) =20854506433a(18) =121247283115a(19) =706276123051

External references