# A138779 (b-file synthesized from sequence entry) 6 1 7 5 8 15 9 35 10 70 11 126 12 2 13 210 14 16 15 330 16 72 17 495 18 240 19 715 20 660 21 1001 22 1584 23 3 24 1365 25 3432 26 33 27 1820 28 6864 29 198 30 2380 31 12870 32 858 33 3060 34 22880 35 3003 36 3876 37 38896 38 9009 39 4 40 4845 41 63648 42 24024 43 56 44 5985 45 100776 46 58344 47 420