# A277633 (b-file synthesized from sequence entry) 0 1 1 2 2 1 3 2 4 3 5 6 6 9 7 18 8 30 9 56 10 98 11 180 12 311 13 546 14 915 15 1520 16 2440 17 3855 18 5916 19 8935 20 13178 21 19138 22 27264 23 38303 24 52950 25 72311 26 97419 27 129839 28 171066 29 223260 30 288498 31 369708 32 469708 33 592363 34 741433 35 921933 36 1138761 37 1398343 38 1706956 39 2072696 40 2503513 41 3009482 42 3600515 43 4289032 44 5087253 45 6010305 46 7073122 47 8293962