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.

A060139 Ordered set S defined by these rules: 0 and 1 are in S and if x is a nonzero number in S, then 3x-1 and 9x are in S.

Table of values

n a(n)
0 0
1 1
2 2
3 5
4 9
5 14
6 18
7 26
8 41
9 45
10 53
11 77
12 81
13 122
14 126
15 134
16 158
17 162
18 230
19 234
20 242
21 365
22 369
23 377
24 401
25 405
26 473
27 477
28 485
29 689
30 693
31 701
32 725
33 729
34 1094
35 1098
36 1106
37 1130
38 1134
39 1202
40 1206
41 1214
42 1418
43 1422
44 1430
45 1454
46 1458
47 2066
48 2070
49 2078
50 2102
51 2106

List of values

[0, 1, 2, 5, 9, 14, 18, 26, 41, 45, 53, 77, 81, 122, 126, 134, 158, 162, 230, 234, 242, 365, 369, 377, 401, 405, 473, 477, 485, 689, 693, 701, 725, 729, 1094, 1098, 1106, 1130, 1134, 1202, 1206, 1214, 1418, 1422, 1430, 1454, 1458, 2066, 2070, 2078, 2102, 2106]

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

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