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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.

A116307 Numbers k such that k*(k+1) gives the concatenation of two numbers m and m+3.

Table of values

n a(n)
1 83
2 77394229
3 89158935
4 36623663376237623663376337
5 37633762366336633762366237
6 62366237633663366237633763
7 63376336623762376336623663
8 86194223018927804587702130

List of values

[83, 77394229, 89158935, 36623663376237623663376337, 37633762366336633762366237, 62366237633663366237633763, 63376336623762376336623663, 86194223018927804587702130]

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

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