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 A233311 T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with row and column sums nondecreasing, and no adjacent elements equal 3
 92, 463, 463, 2311, 7248, 2311, 9822, 93533, 93533, 9822, 41192, 1112270, 4148253, 1112270, 41192, 160280, 11993847, 150257461, 150257461, 11993847, 160280, 617500, 121586107, 5127100320, 16785959715, 5127100320, 121586107, 617500 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .....92.......463.......2311........9822......41192.......160280.....617500 ....463......7248......93533.....1112270...11993847....121586107.1175160522 ...2311.....93533....4148253...150257461.5127100320.162455024209 ...9822...1112270..150257461.16785959715 ..41192..11993847.5127100320 .160280.121586107 .617500 LINKS R. H. Hardin, Table of n, a(n) for n = 1..31 EXAMPLE Some solutions for n=2 k=4 ..0..1..0..1..3....0..1..2..3..0....0..1..0..2..3....0..1..0..3..1 ..4..0..4..2..4....4..0..3..0..4....1..3..2..3..1....4..0..3..0..4 ..1..4..3..4..3....1..4..0..4..3....3..1..4..1..2....0..3..1..4..3 CROSSREFS Sequence in context: A302351 A100169 A100170 * A233309 A205992 A200425 Adjacent sequences:  A233308 A233309 A233310 * A233312 A233313 A233314 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Dec 07 2013 STATUS approved

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Last modified May 14 04:27 EDT 2021. Contains 343872 sequences. (Running on oeis4.)