A228653 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A228653

Numbers m such that if an urn contains m balls, with distinct positive numbers for each of c colors, for some c > 1 there exists a combination of c colors such that it is equally probable for c balls randomly selected from the urn to all be either the same color or distinct colors.

4, 8, 9, 11, 12, 16, 25, 29, 36, 46, 48, 49, 55, 57, 64, 66, 81, 88, 89, 97, 99, 100, 120, 121, 144, 145, 147, 156, 162, 164, 165, 166, 169, 176, 196, 217, 225

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..37.

William Rex Marshall, Pascal program.

PROG

(Pascal) See the link section.

CROSSREFS

Cf. A228650, A228651, A228652.

Sequence in context: A175839 A226085 A104623 * A158758 A317253 A368812

Adjacent sequences: A228650 A228651 A228652 * A228654 A228655 A228656

KEYWORD

nonn,more

AUTHOR

William Rex Marshall, Aug 29 2013

STATUS

approved