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.

A122853 Numbers k such that (3^k + 5^k)/8 = A074606(k)/8 is a prime.

Table of values

n a(n)
1 3
2 5
3 7
4 17
5 19
6 109
7 509
8 661
9 709
10 1231
11 12889
12 13043
13 26723
14 43963
15 44789

List of values

[3, 5, 7, 17, 19, 109, 509, 661, 709, 1231, 12889, 13043, 26723, 43963, 44789]

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

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