# A145845 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 34 4 208 5 1504 6 12283 7 109778 8 1050820 9 10614856 10 111978128 11 1224261856 12 13792583296 13 159411938560 14 1883550536707 15 22687603653106 16 277940485660012 17 3456490397570392 18 43565433620294908 19 555752354850506312 20 7167182317486700416 21 93348781597357983232 22 1226830676118851157712