# A013169 (b-file synthesized from sequence entry)
0 2
1 9
2 353
3 36799
4 7537817
5 2561794059
6 1303341700269
7 927157598991519
8 878628923948350097
9 1069855675293079408723
10 1627609755057103980327221
11 3025319595854386788906432711
12 6746132863265524117134837248601