A219631 Number of 5 X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 5 X n array.

21, 105, 2134, 37787, 556742, 6834071, 72702948, 702445374, 6294733792, 53030925012, 423667362928, 3227141426434, 23525716592355, 164621180489825, 1108581089567797, 7201000479521853, 45212923515402777, 274902776652641870

Offset

1,1

Comments

Row 5 of A219627.

Links

R. H. Hardin, Table of n, a(n) for n = 1..53

Example

Some solutions for n=3
..1..1..0....0..0..2....0..0..0....0..0..2....0..0..1....0..0..1....0..0..0
..0..0..0....0..0..2....0..0..0....0..0..1....0..0..1....0..0..2....0..1..2
..0..0..0....0..0..2....0..0..1....1..1..1....1..0..0....0..0..1....1..1..0
..2..0..1....1..1..0....1..0..0....1..1..1....2..0..0....1..1..1....0..0..0
..2..1..1....0..0..0....1..0..0....1..0..0....2..0..1....1..0..0....0..0..1

Crossrefs

Cf. A219627.

Sequence in context: A235876 A279763 A068986 * A226742 A077400 A041854

Adjacent sequences: A219628 A219629 A219630 * A219632 A219633 A219634

Keyword

nonn

Author

R. H. Hardin Nov 24 2012

Status

approved