A219690 - OEIS

A219690

Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 6Xn array

21, 60, 655, 5726, 44816, 344926, 2709320, 21474269, 167685059, 1273322836, 9386203438, 67340577300, 471427290355, 3224592437317, 21562151377146, 141010883018273, 902366368908706, 5653483899077449, 34695071833947322

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Row 6 of A219686

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..41

EXAMPLE

Some solutions for n=3

..1..0..0....0..0..0....0..0..0....0..0..0....1..0..0....2..1..1....2..0..0

..0..0..0....0..0..0....0..0..0....0..0..0....1..0..0....2..1..1....2..0..0

..0..0..0....0..0..0....1..0..0....1..1..1....1..0..0....2..1..1....2..0..0