# A099940 (b-file synthesized from sequence entry) 1 2 2 1 3 1 4 1 5 5 6 1 7 84 8 11 9 184 10 15 11 193248 12 23 13 19056960 14 833 15 33740 16 64035 17 520105017600 18 2473 19 130859579289600 20 203685 21 963513600 22 23748417 23 16397141420298240000 24 645119 25 555804546402631680 26 8527366575