OFFSET
1,1
COMMENTS
Column 4 of A278807.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
R. H. Hardin, Empirical polynomial of degree 44
FORMULA
Empirical polynomial of degree 44 (see link above)
EXAMPLE
Some solutions for n=4
..2..1..1..0. .2..1..1..0. .1..1..1..0. .1..1..0..0. .1..0..0..0
..2..1..1..0. .2..2..1..0. .2..0..0..1. .2..0..0..0. .1..2..2..0
..2..1..1..0. .2..2..1..2. .2..2..0..1. .2..0..1..1. .2..2..0..0
..2..2..1..1. .2..2..2..1. .2..2..2..1. .2..2..1..1. .2..2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 28 2016
STATUS
approved