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.

A115540 Numbers k such that k^2 is the concatenation of two numbers m and 5*m.

Table of values

n a(n)
1 14285714285714285715
2 28571428571428571430
3 42857142857142857145
4 1627906976744186046511627906976745
5 1860465116279069767441860465116280

List of values

[14285714285714285715, 28571428571428571430, 42857142857142857145, 1627906976744186046511627906976745, 1860465116279069767441860465116280]

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

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