A251885 T(n,k)=Number of (n+2)X(k+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime

5495, 11492, 11492, 20025, 16857, 20025, 49529, 36085, 36085, 49529, 117744, 100787, 94046, 100787, 117744, 256604, 242531, 237142, 237142, 242531, 256604, 676969, 725325, 848547, 1036785, 848547, 725325, 676969, 1694929, 2472269

Offset

1,1

Comments

Table starts

.....5495....11492.....20025......49529......117744.......256604.........676969

....11492....16857.....36085.....100787......242531.......725325........2472269

....20025....36085.....94046.....237142......848547......2892699........8113568

....49529...100787....237142....1036785.....4243461.....14269266.......64083601

...117744...242531....848547....4243461....17612152.....96631623......513228578

...256604...725325...2892699...14269266....96631623....615536028.....3186483082

...676969..2472269...8113568...64083601...513228578...3186483082....27379339268

..1694929..6408131..29479780..266275459..2133116461..21970640444...220952120769

..3850641.19769560.102515893..902777675.12086844180.143585893407..1384444723597

.10168955.78452511.303454217.4085369642.67036259385.763905174081.11996291910088

Links

R. H. Hardin, Table of n, a(n) for n = 1..199

Example

Some solutions for n=3 k=4
..0..3..4..0..1..4....0..2..3..0..4..1....1..0..1..1..0..1....1..1..1..1..1..3
..3..1..3..3..1..3....4..0..3..4..0..3....0..2..0..0..2..3....2..3..0..4..1..0
..4..1..0..4..3..0....3..3..1..3..3..1....1..0..1..1..0..1....0..3..4..0..3..4
..0..3..4..0..3..0....4..4..3..0..4..1....1..0..1..1..0..1....1..1..3..3..1..1
..3..1..1..1..1..3....4..0..3..4..0..3....0..2..0..3..2..0....4..1..0..4..3..0

Crossrefs

Sequence in context: A203791 A137816 A138760 * A251878 A251877 A252312

Adjacent sequences: A251882 A251883 A251884 * A251886 A251887 A251888

Keyword

nonn,tabl

Author

R. H. Hardin, Dec 10 2014

Status

approved