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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.

A116247 n times n+2 gives the concatenation of two numbers m and m-6.

Table of values

n a(n)
1 45
2 54
3 949950
4 979653
5 7771781678
6 7900890079
7 9920892099
8 9949999500
9 38773083432316
10 41534158410841
11 47433813119407
12 52566186880592
13 58465841589158
14 61226916567683
15 72258945037434
16 86156896546724

List of values

[45, 54, 949950, 979653, 7771781678, 7900890079, 9920892099, 9949999500, 38773083432316, 41534158410841, 47433813119407, 52566186880592, 58465841589158, 61226916567683, 72258945037434, 86156896546724]

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

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