login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 nX7 array
0

%I #3 Nov 13 2012 08:50:21

%S 28,302,24670,1613256,80593130,3500147133,144424701184,5595306138684

%N Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 nX7 array

%C Column 7 of A219173

%e Some solutions for n=3

%e ..0..0..1..1..1..2..2....0..0..0..0..1..0..2....0..0..1..1..1..1..1

%e ..0..0..0..1..1..2..2....0..0..0..0..0..0..0....0..1..1..1..1..0..1

%e ..0..0..0..0..1..1..2....0..0..1..0..0..0..0....2..1..1..1..0..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 13 2012