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.

A190805 Increasing sequence generated by these rules: a(1)=1, and if x is in a then 2x-1 and 3x+1 are in a.

Table of values

n a(n)
1 1
2 4
3 7
4 13
5 22
6 25
7 40
8 43
9 49
10 67
11 76
12 79
13 85
14 97
15 121
16 130
17 133
18 148
19 151
20 157
21 169
22 193
23 202
24 229
25 238
26 241
27 256
28 259
29 265
30 292
31 295
32 301
33 313
34 337
35 364
36 385
37 391
38 400
39 403
40 445
41 454
42 457
43 472
44 475
45 481
46 508
47 511
48 517
49 529
50 580
51 583
52 589
53 601
54 607
55 625
56 673
57 688
58 715
59 724
60 727

List of values

[1, 4, 7, 13, 22, 25, 40, 43, 49, 67, 76, 79, 85, 97, 121, 130, 133, 148, 151, 157, 169, 193, 202, 229, 238, 241, 256, 259, 265, 292, 295, 301, 313, 337, 364, 385, 391, 400, 403, 445, 454, 457, 472, 475, 481, 508, 511, 517, 529, 580, 583, 589, 601, 607, 625, 673, 688, 715, 724, 727]

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

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