# A016183 (b-file synthesized from sequence entry) 0 1 1 18 2 247 3 3060 4 36061 5 413478 6 4665907 7 52148520 8 579398521 9 6413737338 10 70833585967 11 781146772380 12 8606455783381 13 94767902627598 14 1043125151976427 15 11479124233250640 16 126303599496326641