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.

A352508 Catalan-Niven numbers: numbers that are divisible by the sum of the digits in their representation in terms of the Catalan numbers (A014418).

Table of values

n a(n)
1 1
2 2
3 4
4 5
5 6
6 9
7 10
8 12
9 14
10 16
11 18
12 21
13 24
14 28
15 30
16 32
17 33
18 40
19 42
20 44
21 45
22 48
23 55
24 56
25 57
26 60
27 65
28 72
29 78
30 80
31 84
32 88
33 95
34 100
35 105
36 112
37 126
38 128
39 130
40 132
41 134
42 135
43 138
44 140
45 144
46 145
47 146
48 147
49 152
50 155
51 156
52 168
53 170
54 174
55 180
56 184
57 185
58 195
59 210
60 216

List of values

[1, 2, 4, 5, 6, 9, 10, 12, 14, 16, 18, 21, 24, 28, 30, 32, 33, 40, 42, 44, 45, 48, 55, 56, 57, 60, 65, 72, 78, 80, 84, 88, 95, 100, 105, 112, 126, 128, 130, 132, 134, 135, 138, 140, 144, 145, 146, 147, 152, 155, 156, 168, 170, 174, 180, 184, 185, 195, 210, 216]

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

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