OFFSET
1,1
COMMENTS
Row 5 of A250154
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = (1/15)*n^10 + (13/4)*n^9 + (2455/84)*n^8 + (722/7)*n^7 + 194*n^6 + (15671/60)*n^5 + (3617/12)*n^4 + 236*n^3 + (16861/210)*n^2 + (509/210)*n + 1
EXAMPLE
Some solutions for n=2
..0....0....0....2....0....2....1....0....1....1....0....1....2....2....2....1
..1....0....0....0....2....1....1....2....2....0....1....2....2....1....1....0
..0....1....0....2....2....2....0....0....2....2....0....0....0....2....2....1
..0....0....1....0....0....2....0....2....1....1....1....2....2....2....0....0
..0....2....1....0....2....0....1....2....1....0....0....1....0....2....2....1
..2....0....0....2....0....0....0....0....1....2....0....2....0....0....0....0
..2....0....0....0....0....0....1....0....1....0....0....1....0....1....0....0
..1....0....1....2....0....0....0....2....1....2....0....1....2....2....2....2
..0....0....0....0....1....1....1....0....1....0....1....1....1....1....1....1
..1....1....0....0....2....0....0....2....1....2....2....2....0....1....0....0
..0....0....2....1....2....2....1....1....1....1....0....0....2....1....0....1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 13 2014
STATUS
approved