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A219417 Unchanging value maps: number of n X n binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 n X n array 0

%I #5 Dec 18 2015 18:18:16

%S 1,7,93,3617,372560,104434119,80311501599,170240798669115,

%T 992546861505827096,15854777538297903063593

%N Unchanging value maps: number of n X n binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 n X n array

%C Diagonal of A219421

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Nov 19 2012

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Last modified May 28 18:29 EDT 2023. Contains 363019 sequences. (Running on oeis4.)