A087926 Number of ways of arranging the numbers 1 ... 5n into a 5 X n array so there is exactly one local maximum.

16, 76544, 2941306368, 331333877743200, 88366736882654697600, 48653237600359922073441120, 49992325433734834899948931370880

Offset

1,1

Links

Table of n, a(n) for n=1..7.

Crossrefs

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

Sequence in context: A013758 A078186 A217026 * A193135 A368326 A308507

Adjacent sequences: A087923 A087924 A087925 * A087927 A087928 A087929

Keyword

nonn

Author

R. H. Hardin, Oct 27 2003

Status

approved