# A097871 (b-file synthesized from sequence entry)
1 1
2 6
3 2683
4 223041730
5 6009583845720101
6 81562450515482338061230306
7 801231178966121521807378920617005246471
8 7747118609267949193978742640152633949388622796278760450
9 96260050927125657231057045653340232713369826309730222706933915414681058441