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 A213958 Number of n X n 0..4 matrices with row and column i=1..n having sum <= i*4 0
 5, 275, 199735, 1839121115, 214090209950060, 314911377440218697950, 5858129386840205449108592935 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A213962 LINKS Table of n, a(n) for n=1..7. EXAMPLE Some solutions for n=4 ..2..0..2..0....2..0..0..0....1..3..0..0....3..0..0..0....2..1..0..1 ..1..3..4..0....2..2..3..0....0..4..2..1....0..4..1..3....0..1..4..1 ..0..1..0..3....0..2..2..3....0..1..0..1....0..2..1..1....0..4..3..4 ..0..3..4..0....0..2..2..0....1..0..4..0....0..2..4..2....0..0..1..0 CROSSREFS Sequence in context: A036213 A262548 A112901 * A158115 A260197 A225781 Adjacent sequences: A213955 A213956 A213957 * A213959 A213960 A213961 KEYWORD nonn AUTHOR R. H. Hardin Jun 28 2012 STATUS approved

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Last modified April 23 12:44 EDT 2024. Contains 371913 sequences. (Running on oeis4.)