# A026298 (b-file synthesized from sequence entry) 7 4 8 28 9 176 10 950 11 4908 12 24402 13 119240 14 575348 15 2757460 16 13157752 17 62638788 18 297832008 19 1415550920 20 6728600060 21 31998023632 22 152271569872 23 725231959452 24 3457304575812 25 16497751608120 26 78804354881238 27 376806016649964 28 1803539487096138 29 8641075826669256 30 41441524062045660