# A055149 (b-file synthesized from sequence entry) 1 1 2 10 3 83 4 668 5 5349 6 42798 7 342391 8 2739129 9 21913032 10 175304257 11 1402434057 12 11219472457 13 89755779658 14 718046237265 15 5744369898123 16 45954959184985 17 367639673479884 18 2941117387839073 19 23528939102712589 20 188231512821700713