# A058239 (b-file synthesized from sequence entry)
0 2
1 17
2 227
3 2309
4 21391
5 185707
6 1549817
7 12579617
8 100061641
9 783765347
10 6065997263
11 46498768471
12 353628459043
13 2671659677783
14 20071277607583
15 150061721792537
16 1117220967868039
17 8287149196682591
18 61270583418289577
19 451682554201973687
20 3321076175415205093