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

A056399

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

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =9a(6) =26a(7) =299a(8) =1183a(9) =10701a(10) =24736a(11) =349241a(12) =626053a(13) =6680979a(14) =26364610a(15) =137247254a(16) =353304459a(17) =4826418027a(18) =8199440662a(19) =93679529503a(20) =315943737331

External references