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.

A191143 Increasing sequence generated by these rules: a(1)=1, and if x is in a then 3x+2 and 4x+1 are in a.

Table of values

n a(n)
1 1
2 5
3 17
4 21
5 53
6 65
7 69
8 85
9 161
10 197
11 209
12 213
13 257
14 261
15 277
16 341
17 485
18 593
19 629
20 641
21 645
22 773
23 785
24 789
25 833
26 837
27 853
28 1025
29 1029
30 1045
31 1109
32 1365
33 1457
34 1781
35 1889
36 1925
37 1937
38 1941
39 2321
40 2357
41 2369
42 2373
43 2501
44 2513
45 2517
46 2561
47 2565
48 2581
49 3077
50 3089
51 3093
52 3137
53 3141
54 3157
55 3329
56 3333
57 3349
58 3413
59 4097
60 4101

List of values

[1, 5, 17, 21, 53, 65, 69, 85, 161, 197, 209, 213, 257, 261, 277, 341, 485, 593, 629, 641, 645, 773, 785, 789, 833, 837, 853, 1025, 1029, 1045, 1109, 1365, 1457, 1781, 1889, 1925, 1937, 1941, 2321, 2357, 2369, 2373, 2501, 2513, 2517, 2561, 2565, 2581, 3077, 3089, 3093, 3137, 3141, 3157, 3329, 3333, 3349, 3413, 4097, 4101]