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.

A065781 a(1) = 25; for n > 1, a(n) is the smallest integer > 0 such that the concatenation a(n)a(n-1)...a(2)a(1) is a square.

Table of values

n a(n)
1 25
2 2
3 1
4 8
5 162
6 70771
7 164268122
8 22882298366163557088
9 976324672198183536165095004791768497036
10 67395729561035485747722358417684895847812434249174374011671902126543092988774

List of values

[25, 2, 1, 8, 162, 70771, 164268122, 22882298366163557088, 976324672198183536165095004791768497036, 67395729561035485747722358417684895847812434249174374011671902126543092988774]

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

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