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.

A362020 Nonnegative numbers k not ending in 0 such that, in decimal representation, the subsequence of digits of k^2 occupying an odd position is equal to the digits of k.

Table of values

n a(n)
1 1
2 5
3 6
4 11
5 76
6 105
7 501
8 505
9 506
10 605
11 756
12 826
13 1001
14 5941
15 10005
16 10505
17 12731
18 13921
19 50001
20 50005
21 50006
22 50105
23 50501
24 50505
25 50506
26 50605
27 60005
28 60505
29 88705
30 100001
31 118905
32 364231
33 592421
34 594941
35 684006
36 1000005
37 1000505
38 1050005
39 1050505
40 1355941

List of values

[1, 5, 6, 11, 76, 105, 501, 505, 506, 605, 756, 826, 1001, 5941, 10005, 10505, 12731, 13921, 50001, 50005, 50006, 50105, 50501, 50505, 50506, 50605, 60005, 60505, 88705, 100001, 118905, 364231, 592421, 594941, 684006, 1000005, 1000505, 1050005, 1050505, 1355941]