OFFSET
1,1
COMMENTS
Column 2 of A235548
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 12*a(n-1) -48*a(n-2) +26*a(n-3) +319*a(n-4) -694*a(n-5) -524*a(n-6) +2932*a(n-7) -875*a(n-8) -5880*a(n-9) +4552*a(n-10) +6378*a(n-11) -7363*a(n-12) -3518*a(n-13) +6068*a(n-14) +520*a(n-15) -2576*a(n-16) +352*a(n-17) +448*a(n-18) -128*a(n-19)
EXAMPLE
Some solutions for n=5
..1..0..1....0..1..1....1..0..0....1..0..0....0..0..1....0..1..0....1..0..0
..0..1..0....0..1..0....0..0..1....0..0..1....0..1..0....0..0..1....0..0..0
..1..0..1....0..1..1....0..1..1....1..1..0....1..0..1....1..0..1....1..0..0
..1..0..1....1..0..1....0..1..1....1..1..1....0..1..0....0..1..1....0..0..1
..0..1..1....1..1..0....1..1..1....0..1..1....1..1..1....0..1..0....0..1..1
..1..1..1....1..1..1....1..1..0....1..1..1....1..0..1....1..1..1....0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 12 2014
STATUS
approved