# A053554 (b-file synthesized from sequence entry)
1 1
2 3
3 19
4 195
5 2791
6 51303
7 1152019
8 30564075
9 935494831
10 32447734143
11 1257770533339
12 53884306900515
13 2528224238464471
14 128934398091500823
15 7101273378743303779
16 420078397130637237915
17 26563302733186339752511