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A090051
as a simple table
n
a(n)
0
1
1
20
2
400
3
1862
4
9373
5
51323
6
298821
7
1965313
8
11759158
9
66434263
10
365037821
11
1895313862
[1,20,400,1862,9373,51323,298821,1965313,11759158, 66434263,365037821,1895313862]
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Last modified April 18 04:56 EDT 2024. Contains 371767 sequences. (Running on oeis4.)
