OFFSET
1,1
COMMENTS
Column 6 of A229392
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..116
FORMULA
Empirical: a(n) = 193*a(n-1) -8384*a(n-2) +8320*a(n-3) -24704*a(n-4) +1073152*a(n-5) -1048576*a(n-6) for n>9
EXAMPLE
Some solutions for n=2
..1..1..1..1..1..2....1..1..1..2..2..2....1..0..1..2..1..3....1..1..1..1..2..3
..0..2..3..1..0..2....0..1..1..1..1..1....0..1..1..1..2..3....1..1..0..1..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 21 2013
STATUS
approved