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 A239408 Number of 4Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4 1
 28, 698, 16449, 394509, 9340070, 222457036, 5277728354, 125489197292, 2979675864286, 70809806218933, 1681881988746468, 39960823740980549, 949269180927265463, 22552572727646416085, 535760871479260663596 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 4 of A239405 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 91 FORMULA Empirical recurrence of order 91 (see link above) EXAMPLE Some solutions for n=3 ..0..0..0....0..3..3....0..3..3....3..3..0....3..1..3....0..0..3....3..3..0 ..0..0..0....3..2..3....3..3..2....0..0..0....2..0..2....3..3..0....0..0..0 ..3..1..3....0..0..2....3..1..2....3..2..1....2..0..2....0..3..3....0..0..0 ..3..2..0....2..1..3....2..0..2....2..0..0....3..1..3....0..2..2....0..2..1 CROSSREFS Sequence in context: A278805 A160141 A331476 * A215857 A185987 A004293 Adjacent sequences:  A239405 A239406 A239407 * A239409 A239410 A239411 KEYWORD nonn AUTHOR R. H. Hardin, Mar 17 2014 STATUS approved

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Last modified April 7 15:56 EDT 2020. Contains 333306 sequences. (Running on oeis4.)