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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.

A116187 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 12
2 43
3 20440836
4 30017751
5 61336887
6 52400871197755334426147587
7 53651708763838760619655612
8 56652002793835820319625612
9 57952296063256269823192087
10 17684775866714240650923831481623

List of values

[12, 43, 20440836, 30017751, 61336887, 52400871197755334426147587, 53651708763838760619655612, 56652002793835820319625612, 57952296063256269823192087, 17684775866714240650923831481623]

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

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