# A288578 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 9 4 18 5 31 6 55 7 91 8 151 9 240 10 381 11 587 12 900 13 1352 14 2018 15 2966 16 4332 17 6250 18 8962 19 12725 20 17962 21 25147 22 35015 23 48414 24 66603 25 91071 26 123945 27 167786 28 226154 29 303375 30 405337 31 539249 32 714740 33 943659 34 1241605 35 1627812 36 2127302 37 2770966 38 3598567