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.

A114440 Numbers which divided by the sum of their digits (Harshad or Niven numbers) give integers which are also divisible by the sum of their digits (until a single-digit Harshad remains).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 12
11 18
12 21
13 24
14 27
15 36
16 42
17 45
18 48
19 54
20 63
21 72
22 81
23 84
24 108
25 162
26 216
27 243
28 324
29 378
30 405
31 432
32 486
33 648
34 756
35 864
36 972
37 1296
38 1458
39 1944
40 2916
41 3402
42 4374
43 5832
44 6804
45 7290
46 8748
47 11664
48 13122
49 13608
50 15552
51 17496
52 23328
53 26244

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 18, 21, 24, 27, 36, 42, 45, 48, 54, 63, 72, 81, 84, 108, 162, 216, 243, 324, 378, 405, 432, 486, 648, 756, 864, 972, 1296, 1458, 1944, 2916, 3402, 4374, 5832, 6804, 7290, 8748, 11664, 13122, 13608, 15552, 17496, 23328, 26244]