# A110418 (b-file synthesized from sequence entry) 1 10 2 21 3 240 4 7203 5 362880012 6 47900160022 7 2092278988800015 8 640237370572800024 9 112400072777760768000031 10 30488834461171386050150400000013 11 26525285981219105863630848000000038