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.

A379981 Non-Niven (or non-Harshad) numbers that are divisible by the square of the sum of the squares of their digits.

Table of values

n a(n)
1 52022
2 71824
3 110201
4 120472
5 131072
6 188180
7 202312
8 244634
9 298374
10 320305
11 327184
12 340000
13 430000
14 502150
15 506056
16 519168
17 520220
18 652118
19 667815
20 680000
21 680625
22 718240
23 765625
24 860000
25 933156
26 1001021
27 1001047
28 1003313
29 1010113
30 1035125
31 1050232
32 1215200

List of values

[52022, 71824, 110201, 120472, 131072, 188180, 202312, 244634, 298374, 320305, 327184, 340000, 430000, 502150, 506056, 519168, 520220, 652118, 667815, 680000, 680625, 718240, 765625, 860000, 933156, 1001021, 1001047, 1003313, 1010113, 1035125, 1050232, 1215200]

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

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