OFFSET
1,1
COMMENTS
Row 6 of A250336
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = (71/315)*n^9 + (851/140)*n^8 + (573/14)*n^7 + 112*n^6 + 162*n^5 + (2717/20)*n^4 + (5041/126)*n^3 - (601/14)*n^2 - (3272/105)*n + 1
EXAMPLE
Some solutions for n=2
..0....2....2....0....1....0....0....1....1....2....0....2....2....2....1....2
..2....1....2....1....1....2....1....1....1....2....0....2....1....0....1....0
..1....1....0....0....1....1....2....1....1....0....1....1....2....2....0....1
..1....2....1....0....1....0....1....1....1....1....1....1....1....1....2....0
..0....1....1....0....2....1....1....0....1....1....1....1....1....1....1....2
..1....1....0....2....1....1....0....0....1....1....1....1....0....1....1....1
..1....1....1....0....0....0....0....1....0....2....2....1....1....2....1....1
..2....2....1....0....0....2....2....2....2....0....1....2....0....1....0....0
..0....1....1....0....1....1....2....1....1....1....0....2....2....1....2....2
..1....0....2....2....2....1....1....2....1....1....0....0....1....2....1....0
..0....2....1....0....2....1....1....1....1....0....2....0....2....1....0....1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2014
STATUS
approved