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 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 9
 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 (list; table; graph; refs; listen; history; text; internal format)
 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

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Last modified April 13 09:12 EDT 2021. Contains 342935 sequences. (Running on oeis4.)