# A111574 (b-file synthesized from sequence entry) 0 1 1 -1 2 2 3 3 4 3 5 4 6 9 7 15 8 22 9 35 10 59 11 96 12 153 13 247 14 402 15 651 16 1051 17 1700 18 2753 19 4455 20 7206 21 11659 22 18867 23 30528 24 49393 25 79919 26 129314 27 209235 28 338547 29 547780 30 886329 31 1434111 32 2320438 33 3754547 34 6074987 35 9829536 36 15904521 37 25734055 38 41638578 39 67372635