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 A204702 Number of nX5 0..2 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..2 introduced in row major order 1
 30, 5400, 362020, 29846373, 2389914827, 192759130113, 15521787839696, 1250634888842984, 100749784360671667, 8116764740949394264, 653904134820543785397, 52680223968250151357189, 4244049256144093743987455 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A204705 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=5 ..0..0..1..2..0....0..0..1..2..2....0..0..1..0..0....0..0..1..2..0 ..1..2..1..2..1....2..1..2..1..1....1..2..1..0..0....1..1..2..0..2 ..2..1..0..0..1....1..2..1..1..2....2..0..0..2..1....2..2..1..2..2 ..1..1..2..1..2....1..1..0..2..2....2..1..1..2..1....2..1..0..0..1 ..2..2..1..1..0....2..2..0..1..0....0..0..1..0..2....0..1..0..1..0 CROSSREFS Sequence in context: A288033 A341875 A204975 * A206647 A321427 A050984 Adjacent sequences: A204699 A204700 A204701 * A204703 A204704 A204705 KEYWORD nonn AUTHOR R. H. Hardin Jan 18 2012 STATUS approved

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Last modified September 19 04:22 EDT 2024. Contains 376004 sequences. (Running on oeis4.)