# A129533 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 0 4 1 5 0 6 0 7 3 8 3 9 0 10 0 11 6 12 12 13 6 14 0 15 0 16 10 17 30 18 30 19 10 20 0 21 0 22 15 23 60 24 90 25 60 26 15 27 0 28 0 29 21 30 105 31 210 32 210 33 105 34 21 35 0 36 0 37 28 38 168 39 420 40 560 41 420 42 168 43 28 44 0 45 0 46 36 47 252 48 756 49 1260 50 1260 51 756 52 252 53 36 54 0 55 0 56 45 57 360 58 1260 59 2520 60 3150 61 2520 62 1260 63 360 64 45 65 0 66 0 67 55 68 495