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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.

A224977 n^2 minus sum of digits of n^2.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 9
5 18
6 27
7 36
8 54
9 72
10 99
11 117
12 135
13 153
14 180
15 216
16 243
17 270
18 315
19 351
20 396
21 432
22 468
23 513
24 558
25 612
26 657
27 711
28 765
29 828
30 891
31 945
32 1017
33 1071
34 1143
35 1215
36 1278
37 1350
38 1431
39 1512
40 1593
41 1665
42 1746
43 1827
44 1917
45 2016
46 2106
47 2196
48 2295
49 2394
50 2493

List of values

[0, 0, 0, 0, 9, 18, 27, 36, 54, 72, 99, 117, 135, 153, 180, 216, 243, 270, 315, 351, 396, 432, 468, 513, 558, 612, 657, 711, 765, 828, 891, 945, 1017, 1071, 1143, 1215, 1278, 1350, 1431, 1512, 1593, 1665, 1746, 1827, 1917, 2016, 2106, 2196, 2295, 2394, 2493]

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

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