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.

A226810 Numbers of the form 4^j + 5^k, for j and k >= 0.

Table of values

n a(n)
1 2
2 5
3 6
4 9
5 17
6 21
7 26
8 29
9 41
10 65
11 69
12 89
13 126
14 129
15 141
16 189
17 257
18 261
19 281
20 381
21 626
22 629
23 641
24 689
25 881
26 1025
27 1029
28 1049
29 1149
30 1649
31 3126
32 3129
33 3141
34 3189
35 3381
36 4097
37 4101
38 4121
39 4149
40 4221
41 4721
42 7221
43 15626
44 15629
45 15641
46 15689
47 15881
48 16385
49 16389

List of values

[2, 5, 6, 9, 17, 21, 26, 29, 41, 65, 69, 89, 126, 129, 141, 189, 257, 261, 281, 381, 626, 629, 641, 689, 881, 1025, 1029, 1049, 1149, 1649, 3126, 3129, 3141, 3189, 3381, 4097, 4101, 4121, 4149, 4221, 4721, 7221, 15626, 15629, 15641, 15689, 15881, 16385, 16389]