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A221248
as a simple table
n
a(n)
1
0
2
441
3
21660
4
4096576
5
438377904
6
56606878084
7
6757282699788
8
830820670081600
9
100904384322992160
[0,441,21660,4096576,438377904,56606878084, 6757282699788,830820670081600,100904384322992160]
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Last modified April 25 12:53 EDT 2024. Contains 371969 sequences. (Running on oeis4.)