# A172021 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 2 5 1 6 2 7 4 8 6 9 6 10 1 11 2 12 4 13 8 14 14 15 20 16 20 17 1 18 2 19 4 20 8 21 16 22 30 23 50 24 70 25 70 26 1 27 2 28 4 29 8 30 16 31 32 32 62 33 112 34 182 35 252 36 252 37 1 38 2 39 4 40 8 41 16 42 32 43 64 44 126 45 238 46 420 47 672 48 924 49 924 50 1 51 2 52 4 53 8 54 16 55 32 56 64 57 128 58 254 59 492 60 912 61 1584 62 2508 63 3432 64 3432