A228652 - OEIS

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.

%I #14 Jul 29 2022 16:51:28

%S 1,2,3,5,7,15,19,27,31,47

%N 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.

%C Is this sequence finite and complete?

%H William Rex Marshall, <a href="/A228652/a228652.txt">Pascal program</a>.

%o (Pascal) See the link section.

%Y Cf. A228650, A228651, A228653.

%K nonn

%O 1,2

%A _William Rex Marshall_, Aug 29 2013