Number of 2-factors in P_8 X P_n.

A145417

Number of 2-factors in P_8 X P_n.

Terms

    a(0) =0a(1) =13a(2) =27a(3) =2953a(4) =24360a(5) =972080a(6) =13049563a(7) =360783593a(8) =6044482889a(9) =142205412782

External references