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A219408 Unmatched value maps: number of nX6 binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..2 nX6 array 1

%I #4 Nov 19 2012 15:20:37

%S 21,1261,57097,2633596,121641579,5618116265,259468310384,

%T 11983486642214,553453107750115,25561051456876291,1180528707338785094,

%U 54522328912450097473,2518095766994664668337,116297422017630310505820

%N Unmatched value maps: number of nX6 binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..2 nX6 array

%C Column 6 of A219410

%H R. H. Hardin, <a href="/A219408/b219408.txt">Table of n, a(n) for n = 1..210</a>

%F Empirical: a(n) = 21*a(n-1) +950*a(n-2) +9306*a(n-3) +26031*a(n-4) -50016*a(n-5) -214765*a(n-6) +276749*a(n-7) +349461*a(n-8) -523220*a(n-9) -71125*a(n-10) +294741*a(n-11) -112428*a(n-12) +11664*a(n-13) for n>14

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 19 2012

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)