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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
 15, 170, 8353, 382690, 19210586, 1063706501, 63085436203, 3958922741466, 259024497472292, 17435614748138060 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 6 of A240271 LINKS Table of n, a(n) for n=1..10. EXAMPLE Some solutions for n=3 ..3..2..2....3..2..2....3..2..3....3..2..2....2..3..3....3..2..3....3..2..3 ..2..1..2....3..1..2....2..1..1....3..1..1....2..1..2....2..1..1....2..1..2 ..3..1..3....2..3..2....3..2..3....2..3..3....3..0..1....3..2..3....3..2..0 ..3..2..3....3..0..0....2..3..3....3..1..2....2..3..2....2..3..3....2..1..0 ..3..1..1....2..1..0....2..0..0....3..2..2....3..2..2....2..0..0....2..0..3 ..2..3..3....3..1..2....2..0..1....2..1..1....2..3..2....2..0..0....3..2..2 CROSSREFS Sequence in context: A201041 A201551 A339770 * A206600 A016172 A016225 Adjacent sequences: A240273 A240274 A240275 * A240277 A240278 A240279 KEYWORD nonn AUTHOR R. H. Hardin, Apr 03 2014 STATUS approved

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Last modified September 26 02:10 EDT 2023. Contains 365649 sequences. (Running on oeis4.)