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.

A048704 Base 4 palindromes of even length divided by 5. a(n) = A048703(n)/5.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 13
5 17
6 21
7 25
8 26
9 30
10 34
11 38
12 39
13 43
14 47
15 51
16 205
17 221
18 237
19 253
20 257
21 273
22 289
23 305
24 309
25 325
26 341
27 357
28 361
29 377
30 393
31 409
32 410
33 426
34 442
35 458
36 462
37 478
38 494
39 510
40 514
41 530
42 546
43 562
44 566
45 582
46 598
47 614
48 615
49 631
50 647
51 663
52 667
53 683
54 699
55 715
56 719

List of values

[0, 1, 2, 3, 13, 17, 21, 25, 26, 30, 34, 38, 39, 43, 47, 51, 205, 221, 237, 253, 257, 273, 289, 305, 309, 325, 341, 357, 361, 377, 393, 409, 410, 426, 442, 458, 462, 478, 494, 510, 514, 530, 546, 562, 566, 582, 598, 614, 615, 631, 647, 663, 667, 683, 699, 715, 719]