# A126019 (b-file synthesized from sequence entry)
0 1
1 2
2 15
3 58
4 239
5 954
6 3823
7 15290
8 61167
9 244666
10 978671
11 3914682
12 15658735
13 62634938
14 250539759
15 1002159034
16 4008636143
17 16034544570
18 64138178287
19 256552713146
20 1026210852591
21 4104843410362
22 16419373641455
23 65677494565818