Number of non-intersecting cycle systems in a particular directed graph.

A112832

Number of non-intersecting cycle systems in a particular directed graph.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =17a(4) =61a(5) =226a(6) =841a(7) =3137a(8) =11705a(9) =43682a(10) =163021a(11) =608401a(12) =2270581a(13) =8473922a(14) =31625105a(15) =118026497a(16) =440480881a(17) =1643897026a(18) =6135107221a(19) =22896531857a(20) =85451020205a(21) =318907548962

External references