# A151219 (b-file synthesized from sequence entry)
0 1
1 3
2 13
3 55
4 265
5 1205
6 5941
7 27961
8 138745
9 665103
10 3310317
11 16041609
12 79986407
13 390348973
14 1948432333
15 9555608427
16 47726348731
17 234904326795
18 1173682547443
19 5792382066861
20 28947965469611
21 143162807683029
22 715579210092605
23 3544738294992175
24 17719691563476451
25 87893464730984225