# A089849 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 1 4 6 5 2 6 20 7 5 8 70 9 14 10 252 11 42 12 924 13 132 14 3432 15 429 16 12870 17 1430 18 48620 19 4862 20 184756 21 16796 22 705432 23 58786 24 2704156 25 208012 26 10400600 27 742900 28 40116600 29 2674440 30 155117520 31 9694845 32 601080390 33 35357670 34 2333606220 35 129644790