Number of (undirected) Hamiltonian paths on the first n cells of the 5 X ceiling(n/5) knight graph.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =0a(10) =0a(11) =0a(12) =0a(13) =4a(14) =0a(15) =0a(16) =4a(17) =95a(18) =144a(19) =82a(20) =16a(21) =125a(22) =1188a(23) =4292a(24) =864a(25) =416a(26) =1030a(27) =28229a(28) =40770a(29) =18784