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.

A191126 Increasing sequence generated by these rules: a(1)=1, and if x is in a then 3x and 4x-3 are in a.

Table of values

n a(n)
1 1
2 3
3 9
4 27
5 33
6 81
7 99
8 105
9 129
10 243
11 297
12 315
13 321
14 387
15 393
16 417
17 513
18 729
19 891
20 945
21 963
22 969
23 1161
24 1179
25 1185
26 1251
27 1257
28 1281
29 1539
30 1545
31 1569
32 1665
33 2049
34 2187
35 2673
36 2835
37 2889
38 2907
39 2913
40 3483
41 3537
42 3555
43 3561
44 3753
45 3771
46 3777
47 3843
48 3849
49 3873
50 4617
51 4635
52 4641
53 4707
54 4713
55 4737
56 4995
57 5001
58 5025
59 5121

List of values

[1, 3, 9, 27, 33, 81, 99, 105, 129, 243, 297, 315, 321, 387, 393, 417, 513, 729, 891, 945, 963, 969, 1161, 1179, 1185, 1251, 1257, 1281, 1539, 1545, 1569, 1665, 2049, 2187, 2673, 2835, 2889, 2907, 2913, 3483, 3537, 3555, 3561, 3753, 3771, 3777, 3843, 3849, 3873, 4617, 4635, 4641, 4707, 4713, 4737, 4995, 5001, 5025, 5121]

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

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