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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.

A115555 Numbers k such that the concatenation of 9*k with k gives a square.

Table of values

n a(n)
1 1836734693877551020408163265306122449
2 7346938775510204081632653061224489796
3 15311909262759924385633270321361058601134215500945179584121
4 27221172022684310018903591682419659735349716446124763705104

List of values

[1836734693877551020408163265306122449, 7346938775510204081632653061224489796, 15311909262759924385633270321361058601134215500945179584121, 27221172022684310018903591682419659735349716446124763705104]

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

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