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.

A044971 Numbers whose base-3 representation contains exactly one 0 and one 1.

Table of values

n a(n)
1 3
2 11
3 15
4 19
5 21
6 35
7 47
8 51
9 59
10 61
11 65
12 69
13 73
14 75
15 107
16 143
17 155
18 159
19 179
20 185
21 187
22 197
23 209
24 213
25 221
26 223
27 227
28 231
29 235
30 237
31 323
32 431
33 467
34 479
35 483
36 539
37 557
38 563
39 565
40 593
41 629
42 641
43 645
44 665
45 671
46 673
47 683
48 695
49 699

List of values

[3, 11, 15, 19, 21, 35, 47, 51, 59, 61, 65, 69, 73, 75, 107, 143, 155, 159, 179, 185, 187, 197, 209, 213, 221, 223, 227, 231, 235, 237, 323, 431, 467, 479, 483, 539, 557, 563, 565, 593, 629, 641, 645, 665, 671, 673, 683, 695, 699]