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Search: id:A095154
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A095154 Number of 5-block covers of a labeled n-set. +0
1
21, 2919, 155106, 6054006, 208493607, 6791135085, 215553311652, 6758354401932, 210657488261913, 6547648042583571, 203236346721890118, 6304217491485837378, 195489116558570607339, 6061038320388658194777 (list; graph; listen)
OFFSET

3,1
FORMULA

(1/5!)*(274-225*3^n+85*7^n-15*15^n+31^n).

CROSSREFS

Column of A055154.

Sequence in context: A099680 A114934 A098375 this_sequence A018238 A098724 A078395

Adjacent sequences: A095151 A095152 A095153 this_sequence A095155 A095156 A095157

KEYWORD

easy,nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)Eunet.yu), May 31 2004

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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