Number of primitive (aperiodic) step shifted (decimated) sequences using exactly five different symbols.

A056389

Number of primitive (aperiodic) step shifted (decimated) sequences using exactly five different symbols.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =30a(5) =900a(6) =2800a(7) =32010a(8) =139080a(9) =1276170a(10) =2960940a(11) =41625330a(12) =75086430a(13) =801519500a(14) =3162262140a(15) =16463761470a(16) =42395689530a(17) =579164323020a(18) =983928850100

External references