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 A251981 Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and column sum not 0 1 2 7 8 or 9 and every diagonal and antidiagonal sum 0 1 2 7 8 or 9 1
 1762248, 113817844, 1645790820, 11222619848, 144374047558, 2806746475910, 41357385753908, 560931930325822, 8312913112934056, 125737685694939380, 1850507500720597964, 27163747162310463230, 402094648138212121928 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A251983 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=1 ..1..1..1..3..0..3..0..0....1..3..1..2..1..2..0..2....1..2..1..2..1..3..0..1 ..1..0..3..0..3..0..1..3....1..0..3..1..2..1..3..1....1..0..3..0..3..0..3..1 ..1..3..0..3..1..1..2..3....1..3..0..3..0..3..0..2....1..3..0..3..0..3..0..1 CROSSREFS Sequence in context: A186823 A095391 A234456 * A237148 A203941 A224591 Adjacent sequences: A251978 A251979 A251980 * A251982 A251983 A251984 KEYWORD nonn AUTHOR R. H. Hardin, Dec 12 2014 STATUS approved

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Last modified September 18 20:35 EDT 2024. Contains 376002 sequences. (Running on oeis4.)