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A278054
as a simple table
n
a(n)
1
31
2
127
3
8191
4
524287
5
2147483647
6
2305843009213693951
[31,127,8191,524287,2147483647, 2305843009213693951]
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Last modified April 24 11:49 EDT 2024. Contains 371936 sequences. (Running on oeis4.)
