OFFSET
1,1
COMMENTS
Column 5 of A235902
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 49*a(n-1) -680*a(n-2) -2152*a(n-3) +106896*a(n-4) -244848*a(n-5) -6547072*a(n-6) +18222592*a(n-7) +219136000*a(n-8) -245395456*a(n-9) -3590750208*a(n-10) -5119672320*a(n-11)
EXAMPLE
Some solutions for n=2
..0..0..0..1..0..1....0..0..1..1..0..1....1..0..2..2..1..1....0..1..1..1..0..2
..1..1..1..2..1..0....1..1..2..2..1..2....1..2..0..0..1..1....1..2..0..2..1..1
..2..2..2..1..0..1....2..2..1..1..0..1....1..0..2..2..1..1....0..1..1..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 16 2014
STATUS
approved