# A376436 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 12 4 24 5 80 6 11160 7 87696 8 715680 9 62337600 10 1065980160 11 15842534400 12 1109943362880 13 31591940440320 14 731706348941568 15 46767587926752000 16 1889337264901632000 17 61735665488234250240 18 3896148715287564902400 19 201584132714100384460800 20 8661099107269708639948800 21 567405718655558932535500800