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.

A225389 Prime powers (A025475) representable as (p+q)/2, where p and q are distinct prime powers, in two or more ways.

Table of values

n a(n)
1 781370209
2 59015782001929
3 109012413691801
4 185341023228001
5 275502533796361
6 315952509152809
7 613721000732449
8 1579642847367841
9 3182047597748881
10 5927491050020401
11 13602074755852489
12 22706626517726761

List of values

[781370209, 59015782001929, 109012413691801, 185341023228001, 275502533796361, 315952509152809, 613721000732449, 1579642847367841, 3182047597748881, 5927491050020401, 13602074755852489, 22706626517726761]

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

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