# A304640 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 55
4 2439
5 181711
6 19987863
7 3019344175
8 597283032279
9 149571915236911
10 46218017081300823
11 17270884763586798895
12 7677911426885078360919
13 4005536546107407400763311
14 2423921346754787141028928983
15 1684444421472099056470715447215
16 1332493495574767096115773084870359
17 1190644894731926448479445174157508911
18 1193491123893325068744832273320725408343