Number of (undirected) paths in the m X n knight graph (triangle read by rows with m = 1..n and n = 1..).

A307025

Number of (undirected) paths in the m X n knight graph (triangle read by rows with m = 1..n and n = 1..).

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =2a(5) =56a(6) =0a(7) =4a(8) =374a(9) =14980a(10) =0a(11) =8a(12) =2664a(13) =302844a(14) =19005336a(15) =0a(16) =12a(17) =17556a(18) =6530656a(19) =1248702804a(20) =278982789260a(21) =0a(22) =18a(23) =121838a(24) =151793054

External references