OFFSET
1,1
COMMENTS
Column 1 of A204314
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 19*a(n-1) -21*a(n-2) +804*a(n-3) -5651*a(n-4) +5422*a(n-5) -29948*a(n-6) +48563*a(n-7) +377751*a(n-8) +182225*a(n-9) +376001*a(n-10) -1944354*a(n-11) -4661689*a(n-12) -2878602*a(n-13) -2840090*a(n-14) +4524915*a(n-15) +5688082*a(n-16) -1392732*a(n-17) +2105766*a(n-18) +2721236*a(n-19) +379776*a(n-20) -3810696*a(n-21) -1488176*a(n-22) +1146536*a(n-23) +1106592*a(n-24) +982704*a(n-25) -393984*a(n-26) -286848*a(n-27) +86400*a(n-28)
EXAMPLE
Some solutions for n=3
..0..1..1....0..0..0....0..1..1....0..0..1....0..0..0....0..1..0....0..1..0
..1..0..2....1..2..1....1..0..1....2..2..2....1..0..2....2..2..0....2..0..1
..1..2..0....2..2..0....2..2..1....1..2..1....1..2..1....1..0..0....2..0..0
..2..0..2....0..0..0....0..1..1....0..2..2....2..2..1....2..0..0....0..0..2
..1..1..1....2..0..0....0..0..0....0..0..0....2..0..1....1..0..2....1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 14 2012
STATUS
approved