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.

A190640 Numbers whose base-3 expansion ends in 2 and does not contain any 1's.

Table of values

n a(n)
1 2
2 8
3 20
4 26
5 56
6 62
7 74
8 80
9 164
10 170
11 182
12 188
13 218
14 224
15 236
16 242
17 488
18 494
19 506
20 512
21 542
22 548
23 560
24 566
25 650
26 656
27 668
28 674
29 704
30 710
31 722
32 728
33 1460
34 1466
35 1478
36 1484
37 1514
38 1520
39 1532
40 1538
41 1622
42 1628
43 1640
44 1646
45 1676
46 1682
47 1694
48 1700
49 1946
50 1952
51 1964
52 1970
53 2000
54 2006
55 2018
56 2024
57 2108
58 2114
59 2126

List of values

[2, 8, 20, 26, 56, 62, 74, 80, 164, 170, 182, 188, 218, 224, 236, 242, 488, 494, 506, 512, 542, 548, 560, 566, 650, 656, 668, 674, 704, 710, 722, 728, 1460, 1466, 1478, 1484, 1514, 1520, 1532, 1538, 1622, 1628, 1640, 1646, 1676, 1682, 1694, 1700, 1946, 1952, 1964, 1970, 2000, 2006, 2018, 2024, 2108, 2114, 2126]