# A126499 (b-file synthesized from sequence entry)
0 1
1 31
2 205
3 1379
4 9333
5 63399
6 431717
7 2944947
8 20115561
9 137543107
10 941258689
11 6445801999
12 44166431335
13 302771722951
14 2076414065529
15 14244985903467
16 97754711626643
17 671000257052461
18 4606822746884183
19 31634499742407797