A218765 T(n,k)=Unmatched value maps: number of nXk binary arrays indicating the locations of corresponding elements not equal to any horizontal or vertical neighbor in a random 0..1 nXk array.
1, 2, 2, 4, 6, 4, 7, 18, 18, 7, 12, 47, 90, 47, 12, 21, 134, 403, 403, 134, 21, 37, 373, 1876, 2942, 1876, 373, 37, 65, 1035, 8697, 22439, 22439, 8697, 1035, 65, 114, 2889, 40383, 170148, 280850, 170148, 40383, 2889, 114, 200, 8050, 187413, 1291662, 3488015
Offset: 1
Examples
Some solutions for n=3 k=4 ..0..0..1..1....0..0..1..0....1..1..1..1....1..0..0..0....0..0..0..0 ..0..0..0..1....0..1..0..0....1..0..0..0....0..0..1..0....0..0..1..0 ..1..0..0..1....1..1..0..0....0..0..0..0....0..1..0..0....0..0..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..127
Crossrefs
Column 1 is A005251(n+2)
Comments