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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.

A228618 Sum of lengths of shortest runs with the same value over all s in {1,...,n}^n.

Table of values

n a(n)
0 0
1 1
2 6
3 33
4 280
5 3185
6 46956
7 824593
8 16782872
9 387446193
10 10000154620
11 285312472621
12 8916105651300
13 302875136889793
14 11112007033351602
15 437893891702463085
16 18446744083262649616
17 827240261951698484129
18 39346408075791905146044
19 1978419655663922695962061

List of values

[0, 1, 6, 33, 280, 3185, 46956, 824593, 16782872, 387446193, 10000154620, 285312472621, 8916105651300, 302875136889793, 11112007033351602, 437893891702463085, 18446744083262649616, 827240261951698484129, 39346408075791905146044, 1978419655663922695962061]

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

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