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A039687 as a simple table

n a(n)
1 7
2 13
3 97
4 193
5 769
6 12289
7 786433
8 3221225473
9 206158430209
10 6597069766657
11 221360928884514619393
12 2353913150770005286438421033702874906038383291674012942337 

[7,13,97,193,769,12289,786433,3221225473,
 206158430209,6597069766657,221360928884514619393,
 23539131507700052864384210337028749060383832916740\
 12942337]

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Last modified May 8 12:43 EDT 2024. Contains 372333 sequences. (Running on oeis4.)