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.

A115435 Numbers k such that the concatenation of k with k-8 gives a square.

Table of values

n a(n)
1 2137
2 2892
3 6369
4 12217
5 21964
6 28233
7 42312
8 4978977
9 9571608
10 18642249
11 32288908
12 96039609
13 200037461217
14 305526508312
15 570666416233
16 638912248204
17 996003996009
18 1846991026584
19 3251664327537
20 4859838227992

List of values

[2137, 2892, 6369, 12217, 21964, 28233, 42312, 4978977, 9571608, 18642249, 32288908, 96039609, 200037461217, 305526508312, 570666416233, 638912248204, 996003996009, 1846991026584, 3251664327537, 4859838227992]

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

Content is available under The OEIS End-User License Agreement.