# A150293 (b-file synthesized from sequence entry) 0 1 1 2 2 6 3 23 4 94 5 391 6 1674 7 7340 8 32810 9 148460 10 677221 11 3113945 12 14427443 13 67248566 14 314944257 15 1480937061 16 6990005401 17 33106706997 18 157268520653 19 748999807143 20 3575464723018 21 17104963318797 22 81991933706087 23 393724722012390 24 1893722027888591 25 9122010044437447 26 44001916585556279 27 212527283465755898