OFFSET
1,1
COMMENTS
Column 7 of A239361
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 7*n^3 - 54*n^2 - 37*n + 1252 for n>16
EXAMPLE
Some solutions for n=3
..2..2..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..2..2
..2..1..2..2..0..0..0....0..0..0..2..2..0..0....0..0..0..0..2..2..1
..0..2..2..1..2..0..0....0..0..0..2..1..2..2....0..0..0..0..2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 17 2014
STATUS
approved