# A274293 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 3 5 2 6 1 7 7 8 6 9 6 10 1 11 15 12 14 13 20 14 20 15 1 16 31 17 30 18 50 19 70 20 70 21 1 22 63 23 62 24 112 25 182 26 252 27 252 28 1 29 127 30 126 31 238 32 420 33 672 34 924 35 924 36 1 37 255 38 254 39 492 40 912 41 1584 42 2508 43 3432 44 3432 45 1 46 511 47 510 48 1002 49 1914 50 3498 51 6006 52 9438 53 12870 54 12870 55 1 56 1023 57 1022 58 2024 59 3938 60 7436 61 13442 62 22880 63 35750 64 48620 65 48620