OFFSET
1,1
COMMENTS
Column 3 of A252473
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +a(n-2) +12*a(n-3) +33*a(n-4) +43*a(n-5) +36*a(n-6) -44*a(n-7) -113*a(n-8) -56*a(n-9) +10*a(n-10) +70*a(n-11) +89*a(n-12) +6*a(n-13) -51*a(n-14) -42*a(n-15) -8*a(n-16) +6*a(n-17) +4*a(n-18) +4*a(n-19) for n>24
EXAMPLE
Some solutions for n=4
..1..3..3..3..3....3..3..3..1..3....3..3..3..3..3....3..3..3..1..3
..3..3..3..3..3....3..3..3..3..3....1..3..3..3..3....1..3..3..3..1
..3..1..3..3..1....1..3..3..3..3....3..3..3..3..3....3..3..3..3..3
..3..3..3..3..3....3..3..1..3..3....3..3..3..3..1....3..3..3..3..3
..3..3..3..3..3....3..3..3..3..1....3..3..3..3..3....3..3..3..1..3
..3..1..3..3..1....3..3..3..1..3....3..1..3..3..3....1..3..3..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2014
STATUS
approved