OFFSET
1,1
COMMENTS
Column 5 of A221087
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..30
FORMULA
Empirical: a(n) = 192*a(n-1) -9248*a(n-2) +195456*a(n-3) -2093824*a(n-4) +11781120*a(n-5) -34549760*a(n-6) +52838400*a(n-7) -40501248*a(n-8) +13369344*a(n-9) -1048576*a(n-10)
EXAMPLE
Some solutions for n=3
..0..1..3..1..0....0..1..2..0..1....0..2..1..1..0....0..2..3..1..0
..0..1..1..4..1....0..3..0..3..2....1..2..1..3..1....0..3..0..1..1
..1..1..0..1..0....1..0..0..2..0....1..0..0..1..1....0..1..2..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 01 2013
STATUS
approved