# A126181 (b-file synthesized from sequence entry) 0 1 1 2 2 1 3 5 4 4 5 1 6 14 7 15 8 6 9 1 10 42 11 56 12 30 13 8 14 1 15 132 16 210 17 140 18 50 19 10 20 1 21 429 22 792 23 630 24 280 25 75 26 12 27 1 28 1430 29 3003 30 2772 31 1470 32 490 33 105 34 14 35 1 36 4862 37 11440 38 12012 39 7392 40 2940 41 784 42 140 43 16 44 1 45 16796 46 43758 47 51480 48 36036 49 16632 50 5292 51 1176 52 180 53 18 54 1 55 58786