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A017661 as a simple table

n a(n)
0 2357947691
1 1801152661463
2 78815638671875
3 1119130473102767
4 8662995818654939
5 45848500718449031
6 186940255267540403
7 630249409724609375
8 1838459212420154507
9 4785448563124474679 

[2357947691,1801152661463,78815638671875,
 1119130473102767,8662995818654939,
 45848500718449031,186940255267540403,
 630249409724609375,1838459212420154507,
 4785448563124474679]

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)