# A067310 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 0 4 0 5 2 6 0 7 0 8 1 9 5 10 0 11 0 12 0 13 6 14 14 15 0 16 0 17 0 18 3 19 28 20 42 21 0 22 0 23 0 24 1 25 28 26 120 27 132 28 0 29 0 30 0 31 0 32 20 33 180 34 495 35 429 36 0 37 0 38 0 39 0 40 10 41 195 42 990 43 2002 44 1430 45 0 46 0 47 0 48 0 49 4 50 165 51 1430 52 5005 53 8008 54 4862 55 0 56 0 57 0 58 0 59 1 60 117 61 1650 62 9009 63 24024 64 31824 65 16796 66 0 67 0 68 0 69 0 70 0 71 70 72 1617