# A058017 (b-file synthesized from sequence entry)
1 2
2 3
3 7
4 13
5 61
6 421
7 853
8 2521
9 27733
10 360391
11 720743
12 12252259
13 232792561
14 5354228921
15 26771144401
16 80313433231
17 2329089562843
18 72201776446801
19 144403552893641
20 5342931457063253
21 219060189739591279
22 9419588158802421659
23 442720643463713815201
24 3099044504245996706459