OFFSET
1,1
COMMENTS
Column 6 of A232589
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 12*a(n-1) +9*a(n-2) -167*a(n-3) -12*a(n-4) +939*a(n-5) -314*a(n-6) -2754*a(n-7) +2190*a(n-8) +4330*a(n-9) -6045*a(n-10) -2542*a(n-11) +7749*a(n-12) -2051*a(n-13) -3957*a(n-14) +2749*a(n-15) +541*a(n-16) -459*a(n-17) -6*a(n-18) -169*a(n-19) -4*a(n-20) -40*a(n-21) -2*a(n-22) +4*a(n-23) for n>27
EXAMPLE
Some solutions for n=3
..2..1..0..1..2..1..2....0..1..0..1..0..1..2....0..1..2..1..0..1..2
..0..1..2..1..0..1..2....2..1..2..1..2..1..0....0..1..2..1..0..1..2
..0..1..0..1..0..1..2....0..1..2..1..0..1..0....0..1..0..1..0..1..2
..2..1..2..1..0..1..0....0..1..0..1..2..1..2....2..1..2..1..2..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2013
STATUS
approved