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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
512, 3020819005440, 2980039854936078219167744 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..3.

CROSSREFS

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

Sequence in context: A017301 A017421 A017553 * A044879 A060947 A182108

Adjacent sequences:  A087928 A087929 A087930 * A087932 A087933 A087934

KEYWORD

nonn,bref

AUTHOR

R. H. Hardin, Oct 27 2003

STATUS

approved

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Last modified October 21 07:15 EDT 2019. Contains 328292 sequences. (Running on oeis4.)