Number of set partitions of [n] such that the maximal absolute difference between consecutive elements within a block equals four.

A294053

Number of set partitions of [n] such that the maximal absolute difference between consecutive elements within a block equals four.

Terms

    a(0) =5a(1) =38a(2) =215a(3) =1061a(4) =4835a(5) =20973a(6) =88010a(7) =360787a(8) =1453978a(9) =5784863a(10) =22790024a(11) =89092968a(12) =346161413a(13) =1338360327a(14) =5153828402a(15) =19781784669a(16) =75723483993a(17) =289218958150

External references