# A306731 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 2 4 4 5 6 6 10 7 14 8 24 9 37 10 56 11 90 12 135 13 204 14 316 15 474 16 704 17 1068 18 1579 19 2332 20 3445 21 5054 22 7376 23 10750 24 15587 25 22497 26 32437 27 46544 28 66520 29 94908 30 134912 31 191185 32 270301 33 380924 34 535469 35 750898 36 1050268 37 1465284 38 2039741 39 2832694 40 3925036 41 5427381 42 7488315 43 10310431