OFFSET

1,1

COMMENTS

Row 5 of A250373

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = (1/35)*n^10 + (85/42)*n^9 + (317/14)*n^8 + (635/7)*n^7 + (1821/10)*n^6 + (6353/30)*n^5 + (956/7)*n^4 + (253/7)*n^3 + (513/35)*n^2 + (1717/105)*n + 1

EXAMPLE

Some solutions for n=2

..1....2....0....1....0....1....0....0....1....1....2....0....1....1....2....1

..1....1....1....2....0....1....1....2....1....1....0....0....2....1....1....1

..1....2....0....2....0....2....1....2....2....2....2....2....1....2....1....0

..1....2....0....1....2....1....2....1....2....1....0....1....2....2....0....1

..1....1....0....1....0....2....0....1....0....1....0....2....1....1....2....1

..2....0....1....1....1....2....2....1....1....0....0....1....0....0....1....2

..1....1....0....2....2....1....2....1....1....2....0....2....2....1....1....2

..1....2....2....0....0....1....0....0....1....0....0....1....1....1....2....1

..0....1....2....1....0....0....1....2....1....2....0....0....1....1....2....0

..2....2....0....2....0....1....1....0....0....1....1....0....2....2....0....1

..1....2....0....0....0....0....1....2....2....1....0....1....1....2....1....0

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 19 2014

STATUS

approved