# A210189 (b-file synthesized from sequence entry) 1 1 2 3 3 6 4 2 5 10 6 10 7 15 8 30 9 4 10 21 11 70 12 28 13 28 14 140 15 112 16 8 17 36 18 252 19 336 20 72 21 45 22 420 23 840 24 360 25 16 26 55 27 660 28 1848 29 1320 30 176 31 66 32 990 33 3696 34 3960 35 1056 36 32 37 78 38 1430 39 6864 40 10296 41 4576 42 416 43 91 44 2002 45 12012 46 24024 47 16016 48 2912 49 64 50 105 51 2730 52 20020