OFFSET
1,2
COMMENTS
Column 3 of A278372.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
R. H. Hardin, Empirical polynomial of degree 107
FORMULA
Empirical polynomial of degree 107 (see link above)
EXAMPLE
Some solutions for n=4
..2..0..0. .2..0..0. .1..0..1. .1..0..2. .2..0..2. .2..0..0. .2..0..1
..2..2..0. .2..1..0. .0..2..0. .0..0..0. .0..0..1. .1..1..2. .1..0..0
..2..2..1. .0..1..2. .0..2..1. .2..1..0. .2..1..2. .2..1..0. .0..1..1
..0..0..0. .2..1..2. .0..1..0. .2..0..2. .1..2..2. .1..0..0. .2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2016
STATUS
approved