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.

A316481 Squares whose arithmetic mean of digits is 1 (i.e., the sum of digits equals the number of digits).

Table of values

n a(n)
1 1
2 1100401
3 2220100
4 100040004
5 100100025
6 100220121
7 100400400
8 101002500
9 102030201
10 102212100
11 103002201
12 104040000
13 110250000
14 121022001
15 121220100
16 123210000
17 132020100
18 144000000
19 210221001
20 225000000
21 310112100
22 324000000
23 400040001
24 400400100

List of values

[1, 1100401, 2220100, 100040004, 100100025, 100220121, 100400400, 101002500, 102030201, 102212100, 103002201, 104040000, 110250000, 121022001, 121220100, 123210000, 132020100, 144000000, 210221001, 225000000, 310112100, 324000000, 400040001, 400400100]

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

Content is available under The OEIS End-User License Agreement.