# A028080 (b-file synthesized from sequence entry) 0 1 1 27 2 469 3 6687 4 85357 5 1016775 6 11565973 7 127403199 8 1371332413 9 14511863223 10 151627818277 11 1569077088111 12 16117515157069 13 164615225572071 14 1673829571276981 15 16960654592840223 16 171391059145733725