# A000345 (b-file synthesized from sequence entry) 3 1 4 5 5 22 6 71 7 186 8 427 9 888 10 1704 11 3053 12 5203 13 8476 14 13318 15 20265 16 29946 17 43254 18 61171 19 84832 20 115713 21 155382 22 205779 23 269065 24 347906 25 445001 26 563685 27 707637 28 881042 29 1088339 30 1335019 31 1626233 32 1968701 33 2369320 34 2835467 35 3375820 36 3999234 37 4715586 38 5535965 39 6472005 40 7536195 41 8742102 42 10105163 43 11640190 44 13365254 45 15298155 46 17458190 47 19866739 48 22546131 49 25519743 50 28813410 51 32453730 52 36469433 53 40890672 54 45749944 55 51081147 56 56919908 57 63304577 58 70275008 59 77873381 60 86145156 61 95134772 62 104893757 63 115473250 64 126926418 65 139311512 66 152687434 67 167115830 68 182663928 69 199398527 70 217392226 71 236717247 72 257454630 73 279683011 74 303488723 75 328959602 76 356186407