OFFSET
1,1
COMMENTS
Column 3 of A265928.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 8*a(n-1) +96*a(n-2) -736*a(n-3) -2464*a(n-4) +20480*a(n-5) +13312*a(n-6) -196096*a(n-7) +78592*a(n-8) +600064*a(n-9) -589824*a(n-10) for n>13
EXAMPLE
Some solutions for n=4
..1..4..0....2..3..1....2..1..3....1..4..4....0..0..3....0..4..1....2..4..0
..2..3..1....0..0..4....1..0..4....0..1..3....1..1..2....2..1..4....4..0..3
..3..1..4....3..4..0....2..1..3....1..0..0....4..0..0....3..4..0....2..1..1
..2..0..1....1..0..4....1..4..0....2..3..1....3..2..2....2..2..1....4..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 18 2015
STATUS
approved