# A147038 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 3 5 5 6 9 7 21 8 69 9 305 10 1333 11 6087 12 37147 13 280959 14 2501123 15 26363255 16 322801403 17 4679667007 18 81403804671 19 1686900283495 20 41922642406637 21 1239283752468159 22 43217375654523227 23 1785265760870915049 24 87797244145177135687