OFFSET
1,1
COMMENTS
Column 6 of A261113
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) -2*a(n-2) +17*a(n-3) +16*a(n-4) +45*a(n-5) +44*a(n-6) +a(n-7) -14*a(n-8) -72*a(n-9) -126*a(n-10) -168*a(n-11) +14*a(n-12) +436*a(n-13) +288*a(n-14) -354*a(n-15) -316*a(n-16) +132*a(n-17) +181*a(n-18) -2*a(n-19) -53*a(n-20) -25*a(n-21) -3*a(n-22) +a(n-23) +5*a(n-24) +2*a(n-25) +a(n-26) +a(n-27) for n>28
EXAMPLE
Some solutions for n=4
..0..0..1..0..1..0..1..0....1..0..1..0..0..0..1..0....0..1..0..0..0..1..0..0
..0..1..0..0..0..1..0..0....0..1..0..1..0..1..0..1....0..0..1..0..1..0..1..0
..1..0..1..0..1..0..1..0....0..0..1..0..1..0..0..0....0..1..0..1..0..1..0..1
..0..1..0..1..0..1..0..1....0..1..0..1..0..1..0..1....1..0..0..0..1..0..1..0
..1..0..1..0..0..0..1..0....1..0..1..0..0..0..1..0....0..1..0..1..0..1..0..0
..0..0..0..1..0..1..0..0....0..0..0..1..0..1..0..0....0..0..1..0..0..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 08 2015
STATUS
approved