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.

A115436 Numbers k such that the concatenation of k with k-9 gives a square.

Table of values

n a(n)
1 50
2 5234
3 9410
4 638370
5 994010
6 12477933
7 41829698
8 99940010
9 1087279650
10 4492494893
11 6226356365
12 7765453730
13 9999400010
14 806057802450
15 842377434050
16 960398039610
17 999994000010
18 21338126513658
19 24752544267698

List of values

[50, 5234, 9410, 638370, 994010, 12477933, 41829698, 99940010, 1087279650, 4492494893, 6226356365, 7765453730, 9999400010, 806057802450, 842377434050, 960398039610, 999994000010, 21338126513658, 24752544267698]

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

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