# A147173 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 3
7 11
8 27
9 57
10 269
11 1741
12 11383
13 71261
14 614161
15 7140843
16 99666239
17 1560593149
18 29491532325
19 702793762267
20 20557975075647