# A055739 (b-file synthesized from sequence entry) 0 2 1 3 2 17 3 71 4 251 5 857 6 2767 7 8803 8 27211 9 82939 10 249779 11 744949 12 2201273 13 6463081 14 18858529 15 54764947 16 158330573 17 456016933 18 1309050653 19 3746543923 20 10694444393 21 30453898201 22 86534078387 23 245401348403 24 694683409429