A201235 T(n,k)=Number of nXk 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.
4, 6, 6, 7, 2, 7, 3, 34, 34, 3, 17, 24, 114, 24, 17, 40, 306, 140, 140, 306, 40, 46, 152, 2462, 1028, 2462, 152, 46, 21, 2697, 18056, 7791, 7791, 18056, 2697, 21, 135, 1709, 62133, 66027, 420662, 66027, 62133, 1709, 135, 342, 26353, 82861, 508368, 8499558
Offset: 1
Examples
Some solutions for n=3 k=7 ..0..0..0..1..2..1..3....0..0..0..1..2..1..3....0..0..0..0..0..1..1 ..0..0..1..1..2..2..3....0..1..1..1..2..2..3....0..2..1..3..3..3..2 ..0..1..2..3..2..3..3....0..3..3..2..2..3..3....1..1..2..3..2..3..2
Links
- R. H. Hardin, Table of n, a(n) for n = 1..111
Crossrefs
Column 1 is A200939
Comments