# A046986 (b-file synthesized from sequence entry)
1 28
2 496
3 8128
4 2178540
5 33550336
6 142990848
7 459818240
8 1379454720
9 8589869056
10 43861478400
11 66433720320
12 137438691328
13 704575228896
14 181742883469056
15 6088728021160320
16 14942123276641920
17 20158185857531904