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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
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
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.)