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.

A191132 Increasing sequence generated by these rules: a(1)=1, and if x is in a then 3x+1 and 4x-3 are in a.

Table of values

n a(n)
1 1
2 4
3 13
4 40
5 49
6 121
7 148
8 157
9 193
10 364
11 445
12 472
13 481
14 580
15 589
16 625
17 769
18 1093
19 1336
20 1417
21 1444
22 1453
23 1741
24 1768
25 1777
26 1876
27 1885
28 1921
29 2308
30 2317
31 2353
32 2497
33 3073
34 3280
35 4009
36 4252
37 4333
38 4360
39 4369
40 5224
41 5305
42 5332
43 5341
44 5629
45 5656
46 5665
47 5764
48 5773
49 5809
50 6925
51 6952
52 6961
53 7060
54 7069
55 7105
56 7492
57 7501

List of values

[1, 4, 13, 40, 49, 121, 148, 157, 193, 364, 445, 472, 481, 580, 589, 625, 769, 1093, 1336, 1417, 1444, 1453, 1741, 1768, 1777, 1876, 1885, 1921, 2308, 2317, 2353, 2497, 3073, 3280, 4009, 4252, 4333, 4360, 4369, 5224, 5305, 5332, 5341, 5629, 5656, 5665, 5764, 5773, 5809, 6925, 6952, 6961, 7060, 7069, 7105, 7492, 7501]

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

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