# A025936 (b-file synthesized from sequence entry)
0 1
1 22
2 333
3 4406
4 55133
5 673566
6 8144701
7 98052262
8 1178225565
9 14146756910
10 169801508669
11 2037820760118
12 24454863987997
13 293463446955454
14 3521586773279037
15 42259168371397574
16 507110656046025629