# A274881 (b-file synthesized from sequence entry) 0 1 1 1 2 0 3 2 4 0 5 6 6 0 7 3 8 3 9 0 10 18 11 12 12 0 13 4 14 12 15 4 16 0 17 40 18 80 19 20 20 0 21 5 22 40 23 20 24 5 25 0 26 75 27 375 28 150 29 30 30 0 31 6 32 120 33 90 34 30 35 6 36 0 37 126 38 1470 39 882 40 252 41 42 42 0 43 7 44 350 45 371 46 147 47 42 48 7 49 0 50 196 51 5292 52 4508 53 1568 54 392 55 56 56 0 57 8 58 1008 59 1456 60 672 61 224 62 56 63 8