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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.

A191967 n * (numbers that are not divisible by 3).

Table of values

n a(n)
0 0
1 1
2 4
3 12
4 20
5 35
6 48
7 70
8 88
9 117
10 140
11 176
12 204
13 247
14 280
15 330
16 368
17 425
18 468
19 532
20 580
21 651
22 704
23 782
24 840
25 925
26 988
27 1080
28 1148
29 1247
30 1320
31 1426
32 1504
33 1617
34 1700
35 1820
36 1908
37 2035
38 2128
39 2262
40 2360
41 2501
42 2604
43 2752
44 2860
45 3015
46 3128
47 3290
48 3408

List of values

[0, 1, 4, 12, 20, 35, 48, 70, 88, 117, 140, 176, 204, 247, 280, 330, 368, 425, 468, 532, 580, 651, 704, 782, 840, 925, 988, 1080, 1148, 1247, 1320, 1426, 1504, 1617, 1700, 1820, 1908, 2035, 2128, 2262, 2360, 2501, 2604, 2752, 2860, 3015, 3128, 3290, 3408]

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

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