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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.

A116112 Numbers k such that k concatenated with k-7 gives the product of two numbers which differ by 7.

Table of values

n a(n)
1 17
2 35
3 10408517
4 45884051
5 62918301
6 1116290522645838319925
7 1491109615209578451401
8 2254276950187476704727
9 2758431647767103545151
10 3768131911733856383477
11 4434103687048263321737
12 5230580700713956424051

List of values

[17, 35, 10408517, 45884051, 62918301, 1116290522645838319925, 1491109615209578451401, 2254276950187476704727, 2758431647767103545151, 3768131911733856383477, 4434103687048263321737, 5230580700713956424051]

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

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