# A278800 (b-file synthesized from sequence entry) 0 0 1 0 2 1 3 2 4 3 5 5 6 8 7 13 8 21 9 33 10 50 11 74 12 108 13 157 14 229 15 336 16 495 17 730 18 1075 19 1579 20 2314 21 3387 22 4957 23 7259 24 10638 25 15597 26 22864 27 33484 28 48943 29 71333 30 103570 31 149682 32 215192 33 307633 34 437249 35 617959 36 868691 37 1215232 38 1692791 39 2349539 40 3251478 41 4489107 42 6186507 43 8513674