# A148918 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 8 4 35 5 112 6 496 7 1801 8 8061 9 30928 10 142367 11 566479 12 2649839 13 10840297 14 51047381 15 212822362 16 1010052757 17 4271492413 18 20429029298 19 87421201652 20 420039660095 21 1815323782878 22 8751866683000 23 38124331309341 24 184472837352958 25 809015083967853 26 3926666486407232 27 17323443600582748