# A013058 (b-file synthesized from sequence entry)
0 2
1 7
2 273
3 25281
4 4860585
5 1520437901
6 713815391573
7 467486065936241
8 407759612652705585
9 456789179734173978453
10 639216817349035080850221
11 1092719494568563774636567193
12 2240714632058571537628165246601