OFFSET
1,1
COMMENTS
Column 2 of A233845
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 194*a(n-1) +391*a(n-2) -76048*a(n-3) +118072*a(n-4) +7556256*a(n-5) -39208720*a(n-6) +56369152*a(n-7) -6830080*a(n-8) -8534016*a(n-9) -7110656*a(n-10) +3670016*a(n-11) -65536*a(n-12)
EXAMPLE
Some solutions for n=1
..0..0..0..0....0..0..0..1....0..0..0..0....0..0..0..1....0..0..0..1
..0..0..3..1....3..2..0..1....2..3..3..2....1..3..1..3....0..0..2..0
..3..2..3..2....0..0..1..1....0..2..2..2....3..3..3..3....2..1..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 16 2013
STATUS
approved