# A025240 (b-file synthesized from sequence entry)
1 3
2 2
3 6
4 22
5 90
6 394
7 1806
8 8558
9 41586
10 206098
11 1037718
12 5293446
13 27297738
14 142078746
15 745387038
16 3937603038
17 20927156706
18 111818026018
19 600318853926
20 3236724317174
21 17518619320890
22 95149655201962
23 518431875418926
24 2832923350929742