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.

A065787 a(1) = 49; 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 49
2 18
3 167
4 2401
5 4086461727
6 14079962896835441528
7 309880704108832516500624685064706000856
8 4681896102766617737298881383797502847166028831212571921983062786215145771871779

List of values

[49, 18, 167, 2401, 4086461727, 14079962896835441528, 309880704108832516500624685064706000856, 4681896102766617737298881383797502847166028831212571921983062786215145771871779]

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

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