# A372465 (b-file synthesized from sequence entry) 0 1 1 4 2 36 3 358 4 3740 5 40194 6 439998 7 4879326 8 54630316 9 616194700 10 6991215286 11 79700776588 12 912207989030 13 10475536585674 14 120641989237890 15 1392811194744288 16 16114668707519404 17 186798818992569818 18 2168990381036497812 19 25222834639587149890 20 293708687012053512870