# A150642 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 27 4 117 5 520 6 2396 7 11199 8 53136 9 254408 10 1227523 11 5956859 12 29040155 13 142098258 14 697385628 15 3431103163 16 16915366120 17 83536683684 18 413145595520 19 2045816294991 20 10141226779344 21 50316618894831 22 249848483114181 23 1241486519196133 24 6172626949421675 25 30706411193661198 26 152824177993151011