# A072870 (b-file synthesized from sequence entry) 1 6941 2 283580 3 6769195 4 113677620 5 1481094208 6 15885002990 7 145842897285 8 1178181997670 9 8545476792825 10 56509982606938 11 344819851018601 12 1960225745409515 13 10463156294045765 14 52780423989098940