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.

A076381 Numbers n such that sum of digits in base 3 is a divisor of sum of prime divisors (A008472).

Table of values

n a(n)
1 2
2 3
3 4
4 9
5 25
6 27
7 30
8 42
9 51
10 66
11 78
12 81
13 84
14 90
15 105
16 114
17 126
18 138
19 141
20 147
21 153
22 156
23 159
24 168
25 170
26 185
27 186
28 187
29 198
30 201
31 220
32 222
33 228
34 231
35 234
36 243
37 245
38 246
39 252
40 258
41 264
42 270
43 276
44 282
45 290
46 291
47 294
48 301
49 312
50 315
51 322
52 323
53 325
54 336
55 340
56 341

List of values

[2, 3, 4, 9, 25, 27, 30, 42, 51, 66, 78, 81, 84, 90, 105, 114, 126, 138, 141, 147, 153, 156, 159, 168, 170, 185, 186, 187, 198, 201, 220, 222, 228, 231, 234, 243, 245, 246, 252, 258, 264, 270, 276, 282, 290, 291, 294, 301, 312, 315, 322, 323, 325, 336, 340, 341]