# A134490 (b-file synthesized from sequence entry)
0 2
1 21
2 233
3 2584
4 28657
5 317811
6 3524578
7 39088169
8 433494437
9 4807526976
10 53316291173
11 591286729879
12 6557470319842
13 72723460248141
14 806515533049393
15 8944394323791464
16 99194853094755497
17 1100087778366101931