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.

A374135 Nonmultiples of 3 whose sum of divisors is also a nonmultiple of 3.

Table of values

n a(n)
1 1
2 4
3 7
4 13
5 16
6 19
7 25
8 28
9 31
10 37
11 43
12 52
13 61
14 64
15 67
16 73
17 76
18 79
19 91
20 97
21 100
22 103
23 109
24 112
25 121
26 124
27 127
28 133
29 139
30 148
31 151
32 157
33 163
34 172
35 175
36 181
37 193
38 199
39 208
40 211
41 217
42 223
43 229
44 241
45 244
46 247
47 256
48 259
49 268
50 271
51 277
52 283
53 289
54 292
55 301
56 304
57 307
58 313
59 316
60 325
61 331
62 337
63 343
64 349
65 364
66 367
67 373
68 379

List of values

[1, 4, 7, 13, 16, 19, 25, 28, 31, 37, 43, 52, 61, 64, 67, 73, 76, 79, 91, 97, 100, 103, 109, 112, 121, 124, 127, 133, 139, 148, 151, 157, 163, 172, 175, 181, 193, 199, 208, 211, 217, 223, 229, 241, 244, 247, 256, 259, 268, 271, 277, 283, 289, 292, 301, 304, 307, 313, 316, 325, 331, 337, 343, 349, 364, 367, 373, 379]

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

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