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Search: id:A087931
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A087931 Number of ways of arranging the numbers 1 ... 10n into a 10 X n array so there is exactly one local maximum. +0
1
512, 3020819005440, 2980039854936078219167744 (list; graph; listen)
OFFSET

1,1
CROSSREFS

A row of the array in A087783. Cf. A007846.

Sequence in context: A017301 A017421 A017553 this_sequence A044879 A015931 A060947

Adjacent sequences: A087928 A087929 A087930 this_sequence A087932 A087933 A087934

KEYWORD

nonn,bref

AUTHOR

Ron Hardin (rhhardin(AT)att.net), Oct 27 2003

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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