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.

A115529 Numbers k such that the concatenation of 2*k with k gives a square.

Table of values

n a(n)
1 1632653061224489796
2 3673469387755102041
3 6530612244897959184
4 108166576527852893455922120064900
5 130881557598702001081665765278529
6 155759870200108166576527852893456
7 182801514332071389940508382909681

List of values

[1632653061224489796, 3673469387755102041, 6530612244897959184, 108166576527852893455922120064900, 130881557598702001081665765278529, 155759870200108166576527852893456, 182801514332071389940508382909681]

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

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