# A134874 (b-file synthesized from sequence entry)
1 1
2 137
3 18769
4 2571353
5 352275494
6 48261760899
7 6611863739440
8 905825674293229
9 124098164230813075
10 17001454918435590842
11 2329200203203553290874
12 319100548313701481849195