A125485 - OEIS

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A125485 as a simple table

n	a(n)
0	1
1	28
2	442
3	5878
4	90262
5	1415878
6	22695076
7	368310712
8	6028038286
9	99207708814
10	1638704629522
11	27132638036202
12	449943629944228
13	7468996856620028
14	124065300876811890
15	2061684054575682598
16	34269888230469320798

[1,28,442,5878,90262,1415878,22695076,368310712, 6028038286,99207708814,1638704629522, 27132638036202,449943629944228,7468996856620028, 124065300876811890,2061684054575682598, 34269888230469320798]