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.

A116267 Numbers k such that k*(k+4) gives the concatenation of two numbers m and m-3.

Table of values

n a(n)
1 8
2 98
3 426
4 571
5 725
6 844
7 998
8 7808
9 9998
10 36363
11 63634
12 99998
13 326732
14 673265
15 999998
16 4545452
17 5454545
18 9999998
19 47058821
20 52941176
21 99999998
22 331983805
23 332667332
24 384615384
25 422892896
26 475524475
27 524475522
28 577107101
29 615384613
30 667332665
31 668016192
32 719964244

List of values

[8, 98, 426, 571, 725, 844, 998, 7808, 9998, 36363, 63634, 99998, 326732, 673265, 999998, 4545452, 5454545, 9999998, 47058821, 52941176, 99999998, 331983805, 332667332, 384615384, 422892896, 475524475, 524475522, 577107101, 615384613, 667332665, 668016192, 719964244]