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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
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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 September 12 01:49 EDT 2024. Contains 375842 sequences. (Running on oeis4.)