OFFSET
1,2
COMMENTS
Column 7 of A265991.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +16*a(n-2) -15*a(n-3) -97*a(n-4) +84*a(n-5) +268*a(n-6) -208*a(n-7) -304*a(n-8) +192*a(n-9) +64*a(n-10) for n>15
EXAMPLE
Some solutions for n=4
..1..3..1..1..3..1..1....1..3..1..1..3..1..1....1..3..2..2..1..1..2
..1..1..1..1..1..4..2....2..1..1..1..1..4..2....2..3..3..1..1..3..1
..2..4..1..1..1..1..1....1..4..1..1..3..3..2....1..1..1..1..3..1..1
..1..1..3..1..1..3..1....2..1..1..2..2..3..1....1..3..1..1..1..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 19 2015
STATUS
approved