# A118968 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 1 5 2 6 3 7 4 8 5 9 11 10 18 11 26 12 35 13 80 14 136 15 204 16 285 17 665 18 1155 19 1771 20 2530 21 5980 22 10530 23 16380 24 23751 25 56637 26 100688 27 158224 28 231880 29 556512 30 996336 31 1577532 32 2330445 33 5620485 34 10116873 35 16112057 36 23950355 37 57985070 38 104819165