# A058192 (b-file synthesized from sequence entry)
0 2
1 13
2 151
3 1321
4 10627
5 79349
6 567871
7 3950183
8 26941241
9 180902089
10 1200241909
11 7886347793
12 51408151891
13 332894613817
14 2143561517329
15 13736049589111
16 87651481221089
17 557252522673659
18 3531220462434253
19 22311656552744543
20 140605761109553401
21 883994567552212601
22 5545829371444858669