# A350092 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 9 4 20 5 42 6 90 7 191 8 405 9 857 10 1816 11 3848 12 8150 13 17263 14 36564 15 77445 16 164031 17 347423 18 735855 19 1558567 20 3301098 21 6991839 22 14808952 23 31365865 24 66433969 25 140709405 26 298027302 27 631231956 28 1336970739 29 2831749467 30 5997741619 31 12703420605 32 26906276616