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.

A191187 Integers in (-3+A191131)/4; contains A191131 as a proper subsequence.

Table of values

n a(n)
1 1
2 3
3 6
4 7
5 9
6 15
7 21
8 27
9 31
10 33
11 39
12 45
13 60
14 63
15 69
16 81
17 87
18 93
19 111
20 117
21 127
22 135
23 141
24 159
25 183
26 189
27 195
28 243
29 249
30 255
31 261
32 279
33 285
34 303
35 327
36 333
37 351
38 357
39 375
40 381
41 405
42 411
43 447
44 471
45 477
46 511
47 543
48 546
49 549
50 567
51 573
52 627
53 639
54 729
55 735
56 759
57 765
58 783
59 789
60 837

List of values

[1, 3, 6, 7, 9, 15, 21, 27, 31, 33, 39, 45, 60, 63, 69, 81, 87, 93, 111, 117, 127, 135, 141, 159, 183, 189, 195, 243, 249, 255, 261, 279, 285, 303, 327, 333, 351, 357, 375, 381, 405, 411, 447, 471, 477, 511, 543, 546, 549, 567, 573, 627, 639, 729, 735, 759, 765, 783, 789, 837]

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

Content is available under The OEIS End-User License Agreement.