# A199798 (b-file synthesized from sequence entry)
1 4
2 13
3 21
4 132
5 837
6 1373
7 8708
8 55229
9 90597
10 574596
11 3644277
12 5978029
13 37914628
14 240467053
15 394459317
16 2501790852
17 15867181221
18 26028336893
19 165080281604
20 1046993493533
21 1717475775621
22 10892796795012
23 69085703391957
24 113327372854093
25 718759508189188