A028177 - OEIS

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A028177 as a simple table

n	a(n)
0	1
1	32
2	653
3	10864
4	160965
5	2216256
6	29037037
7	367278608
8	4526901269
9	54714980320
10	651369416061
11	7662042543792
12	89264097643813
13	1031793631351424
14	11849055184966925
15	135335527957665616

[1,32,653,10864,160965,2216256,29037037,367278608, 4526901269,54714980320,651369416061,7662042543792, 89264097643813,1031793631351424,11849055184966925, 135335527957665616]