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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A132358 a(n) = greatest prime <= 2^(2^n).

Table of values

n a(n)
0 2
1 3
2 13
3 251
4 65521
5 4294967291
6 18446744073709551557
7 340282366920938463463374607431768211297
8 115792089237316195423570985008687907853269984665640564039457584007913129639747

List of values

[2, 3, 13, 251, 65521, 4294967291, 18446744073709551557, 340282366920938463463374607431768211297, 115792089237316195423570985008687907853269984665640564039457584007913129639747]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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