# A125358 (b-file synthesized from sequence entry)
0 1
1 21
2 169
3 1101
4 8369
5 64671
6 511957
7 4108671
8 33331889
9 272616609
10 2244091579
11 18568201871
12 154285123493
13 1286408940149
14 10756655080753
15 90159207784161
16 757192897525073
17 6369787770505701
18 53659598197631131
19 452559057596166759