Number of step shifted (decimated) sequence structures using a maximum of five different symbols.

A056394

Number of step shifted (decimated) sequence structures using a maximum of five different symbols.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =11a(4) =18a(5) =116a(6) =157a(7) =1110a(8) =3076a(9) =21808a(10) =42335a(11) =528612a(12) =859502a(13) =8547036a(14) =31968397a(15) =159716545a(16) =398048506a(17) =5303680564a(18) =8835749347a(19) =99411986634a(20) =331215914028

External references