# A012551 (b-file synthesized from sequence entry)
0 2
1 12
2 382
3 23352
4 2464922
5 398069892
6 91079960662
7 28062488827632
8 11197997254599602
9 5618500857338248572
10 3461960315033768973742
11 2569953015248391982844712
12 2262189595338137069466955082