# A114426 (b-file synthesized from sequence entry) 1 16 2 384 3 13824 4 552960 5 29859840 6 1672151040 7 100329062400 8 8126654054400 9 682638940569600 10 60072226770124800 11 5406500409311232000 12 540650040931123200000 13 56227604256836812800000