# A144955 (b-file synthesized from sequence entry) 0 1 1 2 2 0 3 3 4 1 5 0 6 4 7 4 8 1 9 0 10 5 11 10 12 6 13 1 14 0 15 6 16 20 17 21 18 8 19 1 20 0 21 7 22 35 23 56 24 36 25 10 26 1 27 0 28 8 29 56 30 126 31 120 32 55 33 12 34 1 35 9 36 84 37 252 38 330 39 220 40 78 41 14 42 1 43 10 44 120 45 462 46 792 47 715 48 364 49 105 50 16 51 1 52 11 53 165 54 792 55 1716 56 2002 57 1365 58 560 59 136 60 18 61 1