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A226931 as a simple table

n a(n)
1 3
2 9
3 53
4 231
5 5319
6 3167
7 1296273
8 1604979
9 64370707
10 22906587
11 411169704813
12 610433321
13 424312831956207
14 2146177886409
15 98731231639051
16 12218411169233691
17 1112291237880234922707
18 2196818399875253
19 2619031544578888560315813
20 16827894135040576041

[3,9,53,231,5319,3167,1296273,1604979,64370707,
 22906587,411169704813,610433321,424312831956207,
 2146177886409,98731231639051,12218411169233691,
 1112291237880234922707,2196818399875253,
 2619031544578888560315813,16827894135040576041]

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)