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A262122 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with each row and column prime, read as a base 3 number with top and left being the most significant digits. 7
5, 5, 5, 23, 44, 23, 47, 83, 83, 47, 133, 784, 2802, 784, 133, 369, 2632, 8086, 8086, 2632, 369, 1206, 19665, 218493, 473294, 218493, 19665, 1206, 3427, 92550, 716874, 1726432, 1726432, 716874, 92550, 3427, 11146, 663483, 35791690, 170946506 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
.....5......5.......23........47.......133.......369.....1206......3427...11146
.....5.....44.......83.......784......2632.....19665....92550....663483.3565229
....23.....83.....2802......8086....218493....716874.35791690.142423172
....47....784.....8086....473294...1726432.170946506
...133...2632...218493...1726432.315759093
...369..19665...716874.170946506
..1206..92550.35791690
..3427.663483
.11146
LINKS
EXAMPLE
Some solutions for n=3 k=4
..2..1..0..0..2....0..0..0..1..0....0..0..0..0..2....0..0..1..0..2
..0..0..0..0..2....1..0..2..0..2....0..0..1..0..2....1..1..2..1..2
..1..0..2..2..2....0..0..1..1..1....1..1..2..1..2....0..0..0..0..2
..2..2..1..1..1....2..2..2..1..2....0..2..2..2..1....2..2..2..2..1
CROSSREFS
Sequence in context: A283711 A365368 A098526 * A216876 A019162 A024951
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Sep 11 2015
STATUS
approved

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Last modified July 15 19:27 EDT 2024. Contains 374334 sequences. (Running on oeis4.)