# A125091 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 3 5 12 6 10 7 4 8 24 9 40 10 20 11 5 12 40 13 100 14 100 15 35 16 6 17 60 18 200 19 300 20 210 21 56 22 7 23 84 24 350 25 700 26 735 27 392 28 84 29 8 30 112 31 560 32 1400 33 1960 34 1568 35 672 36 120 37 9 38 144 39 840 40 2520 41 4410 42 4704 43 3024 44 1080 45 165 46 10 47 180 48 1200 49 4200 50 8820 51 11760 52 10080 53 5400 54 1650 55 220 56 11