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A087928 Number of ways of arranging the numbers 1 ... 7n into a 7 X n array so there is exactly one local maximum. 0
64, 57477120, 1323082429842432, 137813651152462288749440, 49992325433734834899948931370880 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..5.

CROSSREFS

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

Sequence in context: A204044 A017418 A017550 * A204043 A295175 A279290

Adjacent sequences:  A087925 A087926 A087927 * A087929 A087930 A087931

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 27 2003

STATUS

approved

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Last modified November 30 19:02 EST 2021. Contains 349424 sequences. (Running on oeis4.)