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A337221 as a simple table

n a(n)
1 2
2 3
3 7
4 31
5 2111
6 89599
7 44102911
8 35014031359
9 42884741301247
10 4322284854745087
11 571673085017796607
12 2374135870748049407

[2,3,7,31,2111,89599,44102911,35014031359,
 42884741301247,4322284854745087,
 571673085017796607,2374135870748049407]

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Last modified July 13 13:53 EDT 2024. Contains 374284 sequences. (Running on oeis4.)