Number of primitive (period n) step cyclic shifted sequence structures using a maximum of five different symbols.

A056442

Number of primitive (period n) step cyclic shifted sequence structures using a maximum of five different symbols.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =7a(5) =32a(6) =34a(7) =194a(8) =390a(9) =2361a(10) =3970a(11) =46053a(12) =66674a(13) =613403a(14) =2139340a(15) =10016638a(16) =23424252a(17) =294722828a(18) =465082930a(19) =4972759447a(20) =15773188776a(21) =90323059973a(22) =196342666486

External references