# A133112 (b-file synthesized from sequence entry) 1 1 2 2 3 1 4 3 5 4 6 1 7 4 8 10 9 8 10 1 11 5 12 20 13 35 14 16 15 1 16 6 17 35 18 112 19 126 20 32 21 1 22 7 23 56 24 294 25 672 26 462 27 64 28 1 29 8 30 84 31 672 32 2772 33 4224 34 1716 35 128 36 1 37 9 38 120 39 1386 40 9504 41 28314 42 27456 43 6435 44 256 45 1 46 10 47 165 48 2640 49 28314 50 151008 51 306735 52 183040 53 24310 54 512 55 1