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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.

A116299 n times n+8 gives the concatenation of two numbers m and m+1.

Table of values

n a(n)
1 40
2 53
3 40354307
4 59645686
5 39704957106129738595969799927610
6 44505281604832422780051712184759
7 45053875613995255103944518907119
8 54946124386004744896055481092874
9 55494718395167577219948287815234

List of values

[40, 53, 40354307, 59645686, 39704957106129738595969799927610, 44505281604832422780051712184759, 45053875613995255103944518907119, 54946124386004744896055481092874, 55494718395167577219948287815234]

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

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