Number of step cyclic shifted sequences using exactly six different symbols.

A056419

Number of step cyclic shifted sequences using exactly six different symbols.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =60a(6) =360a(7) =6030a(8) =35280a(9) =410976a(10) =1174896a(11) =19948200a(12) =43022700a(13) =543757860a(14) =2524673904a(15) =15399118440a(16) =46338868800a(17) =737917466160

External references