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 A202787 Number of 5 X 5 0..n arrays with row and column sums equal. 1
 1, 4322, 2577513, 290838284, 11991502235, 255657603186, 3430832678207, 32701809796548, 239657412990669, 1426274971770170, 7169135482380621, 31335724079805792, 121778484808846083, 428134536074377254, 1380524064964529355, 4128449284755670956 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..15. EXAMPLE Some solutions for n=1 ..1..0..1..0..1....1..0..0..1..1....1..0..0..1..1....1..0..0..1..1 ..0..1..1..0..1....1..1..1..0..0....0..1..1..0..1....1..1..1..0..0 ..1..1..0..1..0....1..1..1..0..0....0..1..1..1..0....0..1..0..1..1 ..1..0..0..1..1....0..1..0..1..1....1..0..1..0..1....1..1..1..0..0 ..0..1..1..1..0....0..0..1..1..1....1..1..0..1..0....0..0..1..1..1 CROSSREFS Row 5 of A202784. Sequence in context: A008409 A320729 A233641 * A028384 A107542 A300359 Adjacent sequences: A202784 A202785 A202786 * A202788 A202789 A202790 KEYWORD nonn AUTHOR R. H. Hardin, Dec 24 2011 EXTENSIONS a(0)=1 prepended and a(9)-a(15) from Andrew Howroyd, May 11 2020 STATUS approved

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Last modified October 3 18:47 EDT 2023. Contains 365870 sequences. (Running on oeis4.)