%I

%S 64,57477120,1323082429842432,137813651152462288749440,

%T 49992325433734834899948931370880

%N Number of ways of arranging the numbers 1 ... 7n into a 7 X n array so there is exactly one local maximum.

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 27 2003