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.

A065778 a(1) = 16; 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 16
2 21
3 602
4 9919
5 201825782
6 786148373230451374
7 222497947677972243238266280556039145
8 689281060145549220555862860288211510118547777224654163905516661857896088

List of values

[16, 21, 602, 9919, 201825782, 786148373230451374, 222497947677972243238266280556039145, 689281060145549220555862860288211510118547777224654163905516661857896088]

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

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