# A352648 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 54 4 480 5 5290 6 70080 7 1083614 8 19145728 9 380552274 10 8404669440 11 204182993542 12 5411361939456 13 155365918497530 14 4803852288901120 15 159142710151610670 16 5623576097060290560 17 211138456468635968674 18 8393550198348236193792 19 352212802264773650385110