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 A240276 Number of 6Xn 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, modulo 4 0

%I #3 Apr 03 2014 09:47:08

%S 15,170,8353,382690,19210586,1063706501,63085436203,3958922741466,

%T 259024497472292,17435614748138060

%N Number of 6Xn 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, modulo 4

%C Row 6 of A240271

%e Some solutions for n=3

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 03 2014

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Last modified December 4 07:54 EST 2023. Contains 367557 sequences. (Running on oeis4.)