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.

A384296 Square numbers whose iterative sums of digits are squares.

Table of values

n a(n)
1 0
2 1
3 4
4 9
5 36
6 81
7 100
8 121
9 144
10 225
11 324
12 400
13 441
14 900
15 1521
16 2025
17 2304
18 2601
19 3600
20 8100
21 10000
22 10201
23 10404
24 11025
25 12100
26 12321
27 14400
28 22500
29 32400
30 40000
31 40401
32 44100
33 62001
34 69696
35 90000
36 101124
37 103041
38 121104
39 123201
40 149769
41 152100
42 173889
43 178929
44 199809
45 202500
46 230400
47 251001

List of values

[0, 1, 4, 9, 36, 81, 100, 121, 144, 225, 324, 400, 441, 900, 1521, 2025, 2304, 2601, 3600, 8100, 10000, 10201, 10404, 11025, 12100, 12321, 14400, 22500, 32400, 40000, 40401, 44100, 62001, 69696, 90000, 101124, 103041, 121104, 123201, 149769, 152100, 173889, 178929, 199809, 202500, 230400, 251001]

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

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