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.

A115547 Numbers k such that the concatenation of 7*k with k gives a square.

Table of values

n a(n)
1 11909262759924385633270321361058601134215500945179584121
2 21172022684310018903591682419659735349716446124763705104
3 33081285444234404536862003780718336483931947069943289225
4 47637051039697542533081285444234404536862003780718336484

List of values

[11909262759924385633270321361058601134215500945179584121, 21172022684310018903591682419659735349716446124763705104, 33081285444234404536862003780718336483931947069943289225, 47637051039697542533081285444234404536862003780718336484]

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

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