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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.

A116131 Numbers k such that k concatenated with k-4 gives the product of two numbers which differ by 6.

Table of values

n a(n)
1 20
2 31
3 14564
4 38239
5 69919
6 120395
7 426436
8 902596
9 7478020
10 9090220
11 6671332084
12 8114264059
13 8482227259
14 9900250996
15 2244338786836
16 2490577152964
17 2509440638591
18 2769448208395
19 7012067592220

List of values

[20, 31, 14564, 38239, 69919, 120395, 426436, 902596, 7478020, 9090220, 6671332084, 8114264059, 8482227259, 9900250996, 2244338786836, 2490577152964, 2509440638591, 2769448208395, 7012067592220]

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

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