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.

A027676 Squares composed of digits {1,4,6}.

Table of values

n a(n)
1 1
2 4
3 16
4 64
5 144
6 441
7 1444
8 11664
9 14161
10 14641
11 16641
12 41616
13 166464
14 646416
15 6441444
16 11614464
17 44116164
18 166616464
19 664144441
20 6114614416
21 6661661161
22 111461164164
23 41616166464166464
24 446444416444461444
25 661161464116616164
26 16146614646614661444
27 144164464644611144644

List of values

[1, 4, 16, 64, 144, 441, 1444, 11664, 14161, 14641, 16641, 41616, 166464, 646416, 6441444, 11614464, 44116164, 166616464, 664144441, 6114614416, 6661661161, 111461164164, 41616166464166464, 446444416444461444, 661161464116616164, 16146614646614661444, 144164464644611144644]

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

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