login
Number of n X n 0..1 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.
0

%I #6 Apr 20 2020 19:47:20

%S 2,16,216,5081,122770,4245574,132388406,5520112546,217360101006,

%T 10635681264937

%N Number of n X n 0..1 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.

%C Diagonal of A267788.

%e Some solutions for n=4

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

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

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

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

%Y Cf. A267788.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 20 2016