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 A241362 Number of 7Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4 0

%I #3 Apr 20 2014 10:43:47

%S 24,7,243,1323,6380,183400,1904754,10693549,198803445,2384535274,

%T 17881286874

%N Number of 7Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4

%C Row 7 of A241356

%e Some solutions for n=3

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 20 2014

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Last modified December 8 04:55 EST 2023. Contains 367662 sequences. (Running on oeis4.)