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A224385 Number of n X n 0..3 arrays with diagonals and antidiagonals unimodal and rows nondecreasing 0

%I

%S 4,100,6094,497958,45648753,4364554008,424124440444,41437298593764,

%T 4056267677083719,397503667576768219

%N Number of n X n 0..3 arrays with diagonals and antidiagonals unimodal and rows nondecreasing

%C Diagonal of A224391

%e Some solutions for n=3

%e ..1..1..1....1..1..2....1..2..3....0..0..1....1..2..2....1..3..3....1..1..1

%e ..0..2..2....2..2..3....3..3..3....2..2..3....2..3..3....2..3..3....1..2..2

%e ..2..3..3....0..2..2....1..1..2....1..2..2....0..0..1....0..1..3....0..2..3

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 05 2013

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Last modified January 23 11:42 EST 2022. Contains 350512 sequences. (Running on oeis4.)