# A360857 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 2 5 6 6 1 7 3 8 12 9 12 10 1 11 4 12 20 13 30 14 60 15 1 16 5 17 30 18 60 19 150 20 150 21 1 22 6 23 42 24 105 25 315 26 420 27 700 28 1 29 7 30 56 31 168 32 588 33 980 34 1960 35 1960 36 1 37 8 38 72 39 252 40 1008 41 2016 42 4704 43 5880 44 8820 45 1 46 9 47 90 48 360 49 1620 50 3780 51 10080 52 15120 53 26460 54 26460