# A024748 (b-file synthesized from sequence entry) 1 70 2 126 3 126 4 210 5 210 6 252 7 330 8 330 9 462 10 462 11 495 12 495 13 715 14 715 15 792 16 792 17 924 18 1001 19 1001 20 1287 21 1287 22 1365 23 1365 24 1716 25 1716 26 1820 27 1820 28 2002 29 2002 30 2380 31 2380 32 3003 33 3003 34 3003 35 3003 36 3060 37 3060 38 3432 39 3876 40 3876 41 4368 42 4368 43 4845 44 4845 45 5005 46 5005