# A087727 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 1 4 14 5 42 6 1 7 28 8 210 9 462 10 1 11 48 12 660 13 3432 14 6006 15 1 16 75 17 1650 18 15015 19 60060 20 87516 21 1 22 110 23 3575 24 50050 25 340340 26 1108536 27 1385670 28 1 29 154 30 7007 31 140140 32 1429428 33 7759752 34 21339318 35 23371634 36 1 37 208 38 12740 39 346528 40 4938024 41 39504192 42 178474296 43 424938800 44 414315330