# A274709 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 3 5 3 6 2 7 3 8 1 9 10 10 15 11 5 12 5 13 9 14 5 15 1 16 35 17 63 18 35 19 7 20 14 21 28 22 20 23 7 24 1 25 126 26 252 27 180 28 63 29 9 30 42 31 90 32 75 33 35 34 9 35 1 36 462 37 990 38 825 39 385 40 99 41 11 42 132 43 297 44 275 45 154 46 54 47 11 48 1 49 1716 50 3861 51 3575 52 2002 53 702 54 143 55 13 56 429 57 1001 58 1001 59 637 60 273 61 77 62 13 63 1