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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.

A048674 Fixed points of A048673 and A064216: Numbers n such that if n = product_{k >= 1} (p_k)^(c_k), then Product_{k >= 1} (p_{k+1})^(c_k) = (2*n)-1, where p_k indicates the k-th prime, A000040(k).

Table of values

n a(n)
1 1
2 2
3 3
4 25
5 26
6 33
7 93
8 1034
9 970225
10 8550146
11 325422273
12 414690595
13 1864797542
14 2438037206

List of values

[1, 2, 3, 25, 26, 33, 93, 1034, 970225, 8550146, 325422273, 414690595, 1864797542, 2438037206]

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

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