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 A203594 Number of nX1 0..2 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other 1
 3, 9, 18, 26, 26, 12, 98, 366, 796, 996, 534, 5366, 23308, 56516, 75120, 41600, 448400, 2053480, 5180820, 7049350, 3952950, 44504530, 210527016, 543851924, 750110424, 423385872, 4900761656, 23667951384, 62074790736, 86372858208, 48953570736 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 1 of A203600 LINKS R. H. Hardin, Table of n, a(n) for n = 1..86 EXAMPLE Some solutions for n=4 ..1....0....1....1....2....1....1....2....0....1....0....1....2....0....2....1 ..0....0....2....0....2....0....0....2....0....1....1....2....1....1....0....1 ..0....2....0....0....0....0....0....1....1....0....2....2....0....2....1....2 ..2....2....1....2....0....2....2....1....2....0....0....0....2....0....2....2 CROSSREFS Sequence in context: A210991 A112559 A030784 * A325751 A123877 A057681 Adjacent sequences: A203591 A203592 A203593 * A203595 A203596 A203597 KEYWORD nonn AUTHOR R. H. Hardin Jan 03 2012 STATUS approved

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Last modified March 24 20:36 EDT 2023. Contains 361510 sequences. (Running on oeis4.)