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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.

A116215 Numbers k such that k concatenated with k+8 gives the product of two numbers which differ by 7.

Table of values

n a(n)
1 92
2 180
3 332
4 486
5 536
6 9720
7 13220
8 40502
9 941486
10 2066120
11 2975202
12 77854680
13 123250136
14 162423540
15 243964010
16 256109750
17 356387462
18 421110162
19 542936282
20 547361900
21 587114192
22 591715970
23 685172036
24 734693886

List of values

[92, 180, 332, 486, 536, 9720, 13220, 40502, 941486, 2066120, 2975202, 77854680, 123250136, 162423540, 243964010, 256109750, 356387462, 421110162, 542936282, 547361900, 587114192, 591715970, 685172036, 734693886]

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

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