# A323289 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 4 4 5 5 9 6 24 7 59 8 136 9 362 10 1365 11 5992 12 28187 13 135951 14 689058 15 3908456 16 24849118 17 171022869 18 1248075797