OFFSET
1,1
COMMENTS
Column 4 of A181217
LINKS
R. H. Hardin, Table of n, a(n) for n=1..225
FORMULA
Empirical: a(n)=11*a(n-1)+16*a(n-2)-24*a(n-3)-906*a(n-4)-2624*a(n-5)+11414*a(n-6)+14042*a(n-7)+444*a(n-8)-92598*a(n-9)-52264*a(n-10)+100166*a(n-11)+77798*a(n-12)-14516*a(n-13)-50238*a(n-14)+950832*a(n-15)-91514*a(n-16)-1551794*a(n-17)-699816*a(n-18)+414094*a(n-19)+1438537*a(n-20)+72931*a(n-21)-647214*a(n-22)+142392*a(n-23)+31008*a(n-24)-44992*a(n-25)+6816*a(n-26)+2496*a(n-27)-256*a(n-28)
EXAMPLE
Some avoided solutions for 3X4
..1..1..0..0....1..0..1..0....0..0..0..1....0..0..0..1....1..0..0..0
..0..0..1..0....0..1..0..0....1..0..1..0....0..0..1..0....0..1..0..0
..0..0..0..1....0..0..1..0....0..1..0..0....0..1..1..0....0..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 10 2010
STATUS
approved