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

A056447

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

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =3a(6) =6a(7) =52a(8) =148a(9) =1139a(10) =2306a(11) =30118a(12) =48476a(13) =478951a(14) =1762916a(15) =8601578a(16) =20789656a(17) =268188491a(18) =431583572a(19) =4685757971a(20) =15045763306a(21) =86991020695a(22) =190548007556

External references