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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.

A228652 Numbers m such that if an urn contains m balls, with at least one each of c colors, there is no c > 1 for which a combination of c colors exists such that it is equally probable for c balls randomly selected from the urn to all be either the same color or distinct colors.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 7
6 15
7 19
8 27
9 31
10 47

List of values

[1, 2, 3, 5, 7, 15, 19, 27, 31, 47]

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

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