OFFSET
1,2
COMMENTS
Row 4 of A218638
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 15*a(n-1) +14*a(n-2) +30*a(n-3) +27*a(n-4) +73*a(n-5) +96*a(n-6) +230*a(n-7) +167*a(n-8) -69*a(n-9) -116*a(n-10) -60*a(n-11) -13*a(n-12) -95*a(n-13) -254*a(n-14) -292*a(n-15) -120*a(n-16) for n>17
EXAMPLE
Some solutions for n=3
..1..0..0....1..1..1....0..0..1....1..1..0....0..1..0....1..0..0....1..1..0
..1..1..0....0..1..1....0..1..1....1..1..1....0..1..1....1..0..0....0..1..0
..0..1..1....1..0..1....0..0..0....0..0..1....0..1..1....1..0..0....1..0..0
..0..0..1....0..0..1....1..1..1....0..1..1....1..0..0....0..1..1....0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 03 2012
STATUS
approved