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.

A337816 Numbers that can be written as (m * sum of digits of m) for some m.

Table of values

n a(n)
1 0
2 1
3 4
4 9
5 10
6 16
7 22
8 25
9 36
10 40
11 49
12 52
13 63
14 64
15 70
16 81
17 88
18 90
19 100
20 112
21 115
22 124
23 136
24 144
25 160
26 162
27 175
28 190
29 198
30 202
31 205
32 208
33 220
34 238
35 243
36 250
37 252
38 280
39 301
40 306
41 319
42 324
43 333
44 352
45 360
46 364
47 370
48 400
49 405
50 412
51 418
52 424
53 427
54 448
55 460
56 468
57 484
58 486
59 490

List of values

[0, 1, 4, 9, 10, 16, 22, 25, 36, 40, 49, 52, 63, 64, 70, 81, 88, 90, 100, 112, 115, 124, 136, 144, 160, 162, 175, 190, 198, 202, 205, 208, 220, 238, 243, 250, 252, 280, 301, 306, 319, 324, 333, 352, 360, 364, 370, 400, 405, 412, 418, 424, 427, 448, 460, 468, 484, 486, 490]

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

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