# A111759 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 7 5 12 6 29 7 61 8 162 9 412 10 1221 11 3665 12 12031 13 40514 14 143244 15 518247 16 1926638 17 7285835 18 28013935 19 109058879 20 429366751