Number of (undirected) Hamiltonian paths on the n-prism graph.

Terms

a(0) =30a(1) =72a(2) =130a(3) =228a(4) =350a(5) =528a(6) =738a(7) =1020a(8) =1342a(9) =1752a(10) =2210a(11) =2772a(12) =3390a(13) =4128a(14) =4930a(15) =5868a(16) =6878a(17) =8040a(18) =9282a(19) =10692a(20) =12190a(21) =13872a(22) =15650a(23) =17628a(24) =19710a(25) =22008a(26) =24418a(27) =27060a(28) =29822a(29) =32832