# A009690 (b-file synthesized from sequence entry)
0 1
1 3
2 33
3 739
4 26913
5 1416995
6 101493889
7 9507242819
8 1129063338945
9 165774337045955
10 29468302949572705
11 6227421783562843427
12 1539946012373786340321
13 439696998663601508079587