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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.

A116099 Numbers k such that k concatenated with k-9 gives the product of two numbers which differ by 7.

Table of values

n a(n)
1 69
2 59898667
3 79493157
4 13412927190959690154913903
5 14163000698458955079906403
6 38895475965785687555173929
7 40165600438484442828161229
8 74294440818366638194239027

List of values

[69, 59898667, 79493157, 13412927190959690154913903, 14163000698458955079906403, 38895475965785687555173929, 40165600438484442828161229, 74294440818366638194239027]

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

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