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.

A116289 Numbers k such that k*(k+5) gives the concatenation of a number m with itself.

Table of values

n a(n)
1 6
2 96
3 385
4 429
5 567
6 611
7 814
8 996
9 4521
10 5475
11 9996
12 90910
13 99996
14 316832
15 683164
16 999996
17 3636364
18 6363632
19 9999996
20 82352942
21 99999996
22 331668332
23 368421053
24 395604391
25 442767754
26 461538462
27 488721800
28 511278196
29 538461534
30 557232242
31 604395605
32 631578943
33 668331664
34 700089385
35 727272728

List of values

[6, 96, 385, 429, 567, 611, 814, 996, 4521, 5475, 9996, 90910, 99996, 316832, 683164, 999996, 3636364, 6363632, 9999996, 82352942, 99999996, 331668332, 368421053, 395604391, 442767754, 461538462, 488721800, 511278196, 538461534, 557232242, 604395605, 631578943, 668331664, 700089385, 727272728]