# A104713 (b-file synthesized from sequence entry) 3 1 4 4 5 1 6 10 7 5 8 1 9 20 10 15 11 6 12 1 13 35 14 35 15 21 16 7 17 1 18 56 19 70 20 56 21 28 22 8 23 1 24 84 25 126 26 126 27 84 28 36 29 9 30 1 31 120 32 210 33 252 34 210 35 120 36 45 37 10 38 1 39 165 40 330 41 462 42 462 43 330 44 165 45 55 46 11 47 1 48 220 49 495 50 792 51 924 52 792 53 495 54 220 55 66 56 12 57 1 58 286 59 715 60 1287 61 1716