# A129757 (b-file synthesized from sequence entry) 1 1 2 1 3 3 4 5 5 12 6 25 7 54 8 113 9 235 10 481 11 980 12 1985 13 4007 14 8065 15 16204 16 32513 17 65175 18 130561 19 261421 20 523265 21 1047129 22 2095105 23 4191409 24 8384513 25 16771425 26 33546241 27 67097280 28 134201345 29 268412287 30 536838145 31 1073695485 32 2147418113