login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Number of nX5 0..3 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other
0

%I #4 Mar 31 2012 12:36:44

%S 17,306,2462,7791,420662,8499558,77620598,263388703,14079281158,

%T 283246971698,2567018240138,8718190984644,468649999707545

%N Number of nX5 0..3 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

%C Column 5 of A201235

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 28 2011