OFFSET
1,1
COMMENTS
Column 4 of A184197
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=25*a(n-1)-152*a(n-2)-109*a(n-3)+3368*a(n-4)-6811*a(n-5)-12971*a(n-6)+49951*a(n-7)-9491*a(n-8)-92048*a(n-9)+49214*a(n-10)+74086*a(n-11)-38089*a(n-12)-32429*a(n-13)+8846*a(n-14)+6910*a(n-15)-139*a(n-16)-458*a(n-17)-58*a(n-18)-2*a(n-19)
EXAMPLE
Some solutions for 3X5
..1..1..0..0..0....0..1..1..0..1....1..0..1..0..1....0..1..0..1..0
..1..0..1..1..1....1..0..1..0..1....1..0..1..1..0....0..1..1..1..1
..1..1..1..1..0....0..1..1..1..1....0..1..0..1..0....0..1..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 10 2011
STATUS
approved