# A097307 (b-file synthesized from sequence entry) 1 1 2 1 3 3 4 3 5 6 6 8 7 13 8 15 9 26 10 31 11 46 12 56 13 81 14 95 15 140 16 160 17 221 18 261 19 351 20 406 21 548 22 626 23 820 24 945 25 1221 26 1393 27 1788 28 2035 29 2566 30 2928 31 3656 32 4139 33 5146 34 5810 35 7148 36 8078 37 9850 38 11086 39 13461 40 15116 41 18214 42 20441 43 24489 44 27400 45 32708 46 36516 47 43329 48 48345