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.

A061270 Squares such that each digit is a square and the sum of the digits is a square.

Table of values

n a(n)
1 0
2 1
3 4
4 9
5 100
6 144
7 400
8 441
9 900
10 10000
11 10404
12 14400
13 40000
14 40401
15 44100
16 44944
17 90000
18 1000000
19 1004004
20 1040400
21 1440000
22 4000000
23 4004001
24 4040100
25 4410000
26 4494400
27 9000000
28 9941409
29 11909401
30 100000000
31 100040004
32 100400400

List of values

[0, 1, 4, 9, 100, 144, 400, 441, 900, 10000, 10404, 14400, 40000, 40401, 44100, 44944, 90000, 1000000, 1004004, 1040400, 1440000, 4000000, 4004001, 4040100, 4410000, 4494400, 9000000, 9941409, 11909401, 100000000, 100040004, 100400400]

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

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