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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.

A116120 Numbers k such that k concatenated with k-5 gives the product of two numbers which differ by 1.

Table of values

n a(n)
1 7
2 55
3 5255
4 6295
5 75511
6 92137
7 5551405
8 7943911
9 1257669432489239675
10 2148743977942130765
11 2877834685014859837
12 4164942361780146967
13 10235898967817894552965
14 15389481849681116007757

List of values

[7, 55, 5255, 6295, 75511, 92137, 5551405, 7943911, 1257669432489239675, 2148743977942130765, 2877834685014859837, 4164942361780146967, 10235898967817894552965, 15389481849681116007757]

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

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