# A115682 (b-file synthesized from sequence entry) 1 1 2 10 3 15 4 21 5 210 6 62481 7 67896 8 557040 9 2618616 10 10095771 11 10550121 12 28883800 13 62490610 14 1524872700 15 2708516800 16 5491258003 17 103352174628 18 299536839001 19 24709216250400 20 7220385308804403 21 7686108558349885 22 10917127849295955 23 15038347789610970 24 23424201805125660