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.

A116208 Numbers k such that k concatenated with k+7 gives the product of two numbers which differ by 6.

Table of values

n a(n)
1 145
2 384
3 505
4 820
5 7680
6 20665
7 29748
8 480340
9 6694209
10 77854665
11 107541513
12 109342209
13 132231408
14 174990384
15 183673473
16 213017748
17 289940833
18 326530608
19 338353345
20 404958673
21 448003540
22 451671060
23 478271265

List of values

[145, 384, 505, 820, 7680, 20665, 29748, 480340, 6694209, 77854665, 107541513, 109342209, 132231408, 174990384, 183673473, 213017748, 289940833, 326530608, 338353345, 404958673, 448003540, 451671060, 478271265]