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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.

A178985 Primes of the form 3^k mod 2^k, in the order in which they are found.

Table of values

n a(n)
1 3
2 19
3 11
4 227
5 1019
6 269201
7 186023729
8 457933343698297657
9 2267602862220213494836920572800947269169358383491
10 3510117420185552058703020362961660520827436011216742688744177

List of values

[3, 19, 11, 227, 1019, 269201, 186023729, 457933343698297657, 2267602862220213494836920572800947269169358383491, 3510117420185552058703020362961660520827436011216742688744177]

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

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