A048037 - OEIS

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A048037

Number of nonempty subsets of {1,2,...,n} in which exactly 5/6 of the elements are <= (n-3)/3.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 14, 15, 90, 96, 102, 357, 378, 399, 1064, 1120, 1176, 2646, 2772, 2898, 6049, 6324, 6600, 14850, 15587, 16335, 44550, 47124, 49764, 153439, 163020, 172887, 527527, 560560, 594594

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

OFFSET

1,18

LINKS

Table of n, a(n) for n=1..47.

CROSSREFS

Sequence in context: A118140 A108854 A106007 * A346657 A171492 A054031

Adjacent sequences: A048034 A048035 A048036 * A048038 A048039 A048040

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved