cp's OEIS Frontend

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.

A007505 Primes of form 3*2^n - 1.

Table of values

n a(n)
1 2
2 5
3 11
4 23
5 47
6 191
7 383
8 6143
9 786431
10 51539607551
11 824633720831
12 26388279066623
13 108086391056891903
14 55340232221128654847
15 226673591177742970257407
16 59421121885698253195157962751
17 30423614405477505635920876929023

List of values

[2, 5, 11, 23, 47, 191, 383, 6143, 786431, 51539607551, 824633720831, 26388279066623, 108086391056891903, 55340232221128654847, 226673591177742970257407, 59421121885698253195157962751, 30423614405477505635920876929023]

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

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