OFFSET
1,1
COMMENTS
Row 6 of A228754
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +119*a(n-2) +397*a(n-3) -1395*a(n-4) -5213*a(n-5) +8797*a(n-6) +24443*a(n-7) -36756*a(n-8) -45888*a(n-9) +84092*a(n-10) +19388*a(n-11) -83412*a(n-12) +24912*a(n-13) +22741*a(n-14) -12257*a(n-15) -1459*a(n-16) +1607*a(n-17) -49*a(n-18) -71*a(n-19) +3*a(n-20) +a(n-21)
EXAMPLE
Some solutions for n=4
..1..0..0..1....1..0..0..0....1..0..0..0....1..0..0..1....1..0..1..0
..1..0..0..1....0..0..0..1....0..0..0..1....0..1..0..0....1..0..0..0
..0..1..0..0....0..0..0..0....1..0..0..0....0..0..0..1....0..0..1..0
..0..0..0..0....0..0..0..1....0..1..0..1....1..0..0..1....0..0..0..0
..0..1..0..1....0..1..0..1....0..1..0..0....1..0..0..1....1..0..0..1
..0..1..0..1....0..0..0..0....0..0..0..0....1..0..0..0....1..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 02 2013
STATUS
approved