# A225629 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 3 4 4 5 30 6 30 7 84 8 120 9 1260 10 840 11 13860 12 13860 13 180180 14 180180 15 180180 16 240240 17 6126120 18 6126120 19 116396280 20 58198140 21 116396280 22 116396280 23 2677114440 24 2677114440 25 13385572200 26 13385572200 27 40156716600 28 40156716600 29 776363187600 30 776363187600