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A228653 Numbers n such that if an urn contains n 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
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 for this sequence.

PROG

(PASCAL) See the link section.

CROSSREFS

Cf. A228650, A228651, A228652.

Sequence in context: A175839 A226085 A104623 * A158758 A317253 A229004

Adjacent sequences:  A228650 A228651 A228652 * A228654 A228655 A228656

KEYWORD

nonn,more

AUTHOR

William Rex Marshall, Aug 29 2013

STATUS

approved

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Last modified January 29 01:54 EST 2020. Contains 331328 sequences. (Running on oeis4.)