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A123488 as a simple table

n a(n)
1 3
2 7
3 31
4 127
5 12207031
6 8191
7 131071
8 524287
9 1484520425576434196455942238665054573307722183
10 10333327940128053377465393536117755205850522803739374960650929

[3,7,31,127,12207031,8191,131071,524287,
 1484520425576434196455942238665054573307722183,
 10333327940128053377465393536117755205850522803739\
 374960650929]

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Last modified April 14 22:47 EDT 2021. Contains 342971 sequences. (Running on oeis4.)