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 A251788 Number of (n+2)X(5+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 3 6 or 7 1
 11834, 35948, 130202, 541656, 2432344, 10134314, 46409346, 224615756, 1050145210, 5180674746, 26271641366, 131433385856, 673848284496, 3497583688598, 18069455512608, 94240673582214, 493991157338990 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A251791 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=3 ..0..0..0..0..0..0..0....2..0..3..2..0..3..2....0..1..0..0..0..0..1 ..1..2..1..2..1..2..2....3..1..0..3..1..0..3....0..0..0..1..0..0..0 ..3..3..3..3..3..3..3....0..3..2..0..3..2..0....1..0..0..0..0..0..0 ..1..0..0..0..0..0..0....1..0..3..1..0..3..2....0..0..0..0..0..0..1 ..1..2..1..2..2..1..1....3..1..0..3..2..0..2....0..0..0..0..0..1..0 CROSSREFS Sequence in context: A188310 A185496 A249842 * A194776 A253988 A253995 Adjacent sequences: A251785 A251786 A251787 * A251789 A251790 A251791 KEYWORD nonn AUTHOR R. H. Hardin, Dec 08 2014 STATUS approved

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Last modified May 21 02:29 EDT 2024. Contains 372720 sequences. (Running on oeis4.)