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.

A065691 a(1) = 0; 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 0
2 10
3 8
4 16
5 146
6 22086
7 31071113326
8 365107058344463715696
9 2684967738644586785227227090233956040549004
10 809079884187716191997158821357206898310718837487307207657194711477350102495950972665

List of values

[0, 10, 8, 16, 146, 22086, 31071113326, 365107058344463715696, 2684967738644586785227227090233956040549004, 809079884187716191997158821357206898310718837487307207657194711477350102495950972665]

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

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