A201105 T(n,k)=Number of nXk 0..7 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.
8, 28, 28, 90, 140, 90, 213, 334, 334, 213, 398, 103, 2052, 103, 398, 536, 14881, 235661, 235661, 14881, 536, 496, 246332, 659775, 267814, 659775, 246332, 496, 212, 838638, 44795285, 751183732, 751183732, 44795285, 838638, 212, 3748, 324469, 1777011587
Offset: 1
Examples
Some solutions for n=3 k=3 ..0..1..3....0..2..1....0..1..2....0..4..3....0..2..5....0..4..3....0..2..5 ..4..6..7....3..6..5....4..5..6....2..5..6....1..3..7....1..7..6....1..3..6 ..2..6..5....4..4..7....3..7..7....1..7..6....4..7..6....2..7..5....4..6..7
Links
- R. H. Hardin, Table of n, a(n) for n = 1..40
Crossrefs
Column 1 is A200941
Comments