# A125347 (b-file synthesized from sequence entry) 0 1 1 10 2 70 3 430 4 2990 5 21210 6 152752 7 1107368 8 8054662 9 58680898 10 427841510 11 3120550894 12 22764484280 13 166081792328 14 1211725839660 15 8840879076060 16 64504607657222 17 470639150157006 18 3433889688841786 19 25054462942728214