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 A251954 Number of (n+2)X(4+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3 1
 922890, 41025310, 2371536636, 146613818422, 9379424889214, 608058611665734, 39605904141383754, 2584524088734500856, 168778628082765943410, 11024933232341164873992, 720248214368222381255664 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A251955 LINKS R. H. Hardin, Table of n, a(n) for n = 1..35 EXAMPLE Some solutions for n=1 ..0..0..0..1..0..1....0..0..0..0..0..1....0..0..0..0..0..0....0..0..0..1..1..2 ..2..0..2..2..2..0....0..1..1..0..0..1....2..2..2..0..0..2....1..1..0..0..1..0 ..0..2..2..2..2..1....0..0..1..0..1..0....0..0..0..2..2..2....0..0..0..1..0..0 CROSSREFS Sequence in context: A360907 A321323 A156428 * A098208 A251172 A105011 Adjacent sequences: A251951 A251952 A251953 * A251955 A251956 A251957 KEYWORD nonn AUTHOR R. H. Hardin, Dec 11 2014 STATUS approved

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Last modified September 12 19:04 EDT 2024. Contains 375853 sequences. (Running on oeis4.)