# A281297 (b-file synthesized from sequence entry) 3 1 4 0 5 4 6 0 7 4 8 10 9 0 10 4 11 24 12 20 13 0 14 4 15 42 16 84 17 35 18 0 19 4 20 64 21 224 22 224 23 56 24 0 25 4 26 90 27 480 28 840 29 504 30 84 31 0 32 4 33 120 34 900 35 2400 36 2520 37 1008 38 120 39 0 40 4 41 154 42 1540 43 5775 44 9240 45 6468 46 1848 47 165 48 0 49 4 50 192 51 2464 52 12320 53 27720 54 29568 55 14784 56 3168 57 220 58 0 59 4 60 234 61 3744 62 24024 63 72072 64 108108 65 82368 66 30888 67 5148