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 A239422 Number of nX4 0..3 arrays with no element equal to the sum of elements to its left or the sum of elements above it or the sum of the elements diagonally to its northwest, modulo 4 1

%I #4 Mar 17 2014 21:01:33

%S 32,320,4740,60626,811554,10575232,145743440,1928821306,26684346362,

%T 358305166764,4952187852212,67021312062216,924914248249990,

%U 12574330546236484,173247780273551176,2361918979366991628

%N Number of nX4 0..3 arrays with no element equal to the sum of elements to its left or the sum of elements above it or the sum of the elements diagonally to its northwest, modulo 4

%C Column 4 of A239424

%H R. H. Hardin, <a href="/A239422/b239422.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..2..1..1..2....1..2..1..1....1..2..2..2....3..1..1..2....1..2..1..2

%e ..1..3..2..0....3..0..0..2....2..0..0..0....1..0..3..3....2..3..0..0

%e ..1..2..0..1....3..0..0..0....2..3..0..3....1..0..2..2....2..3..2..1

%e ..1..0..2..2....1..0..2..0....2..3..3..3....3..2..3..2....2..3..2..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 17 2014

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Last modified September 16 02:10 EDT 2024. Contains 375959 sequences. (Running on oeis4.)