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.

A116161 Numbers k such that k concatenated with itself gives the product of two numbers which differ by 8.

Table of values

n a(n)
1 3
2 93
3 145
4 384
5 505
6 820
7 993
8 7680
9 9993
10 20665
11 29748
12 99993
13 480340
14 999993
15 6694209
16 9999993
17 77854665
18 99999993
19 107541513
20 109342209
21 132231408
22 174990384
23 183673473
24 213017748
25 289940833
26 326530608
27 338353345

List of values

[3, 93, 145, 384, 505, 820, 993, 7680, 9993, 20665, 29748, 99993, 480340, 999993, 6694209, 9999993, 77854665, 99999993, 107541513, 109342209, 132231408, 174990384, 183673473, 213017748, 289940833, 326530608, 338353345]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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