# A127717 (b-file synthesized from sequence entry) 1 1 2 3 3 2 4 6 5 8 6 3 7 10 8 20 9 15 10 4 11 15 12 40 13 45 14 24 15 5 16 21 17 70 18 105 19 84 20 35 21 6 22 28 23 112 24 210 25 224 26 140 27 48 28 7 29 36 30 168 31 378 32 504 33 420 34 216 35 63 36 8 37 45 38 240 39 630 40 1008 41 1050 42 720 43 315 44 80 45 9 46 55 47 330 48 990 49 1848 50 2310 51 1980 52 1155 53 440 54 99 55 10