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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.

A279610 a(n) = concatenate n consecutive integers, starting with the last number of the previous batch.

Table of values

n a(n)
1 1
2 12
3 234
4 4567
5 7891011
6 111213141516
7 16171819202122
8 2223242526272829
9 293031323334353637
10 37383940414243444546
11 4647484950515253545556
12 565758596061626364656667
13 67686970717273747576777879
14 7980818283848586878889909192

List of values

[1, 12, 234, 4567, 7891011, 111213141516, 16171819202122, 2223242526272829, 293031323334353637, 37383940414243444546, 4647484950515253545556, 565758596061626364656667, 67686970717273747576777879, 7980818283848586878889909192]

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

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