# A360090 (b-file synthesized from sequence entry) 0 1 1 1 2 6 3 21 4 71 5 251 6 882 7 3088 8 10829 9 37975 10 133146 11 466852 12 1636944 13 5739647 14 20125051 15 70564951 16 247423522 17 867546829 18 3041899638 19 10665883415 20 37398034921 21 131129599227 22 459782762029 23 1612146986543 24 5652708454881 25 19820223058176 26 69496108849357