OFFSET
1,1
COMMENTS
Column 3 of A260501
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 8*a(n-3) +9*a(n-4) -19*a(n-6) -48*a(n-7) -33*a(n-8) +24*a(n-9) +72*a(n-10) +116*a(n-11) +46*a(n-12) -54*a(n-13) -93*a(n-14) -128*a(n-15) -58*a(n-16) +32*a(n-17) +29*a(n-18) +74*a(n-19) +66*a(n-20) +8*a(n-21) +12*a(n-22) -20*a(n-23) -38*a(n-24) -8*a(n-25) -4*a(n-26) +2*a(n-27) +8*a(n-28) +2*a(n-29) +a(n-30) for n>33
EXAMPLE
Some solutions for n=4
..0..0..0..1..1....1..0..0..0..1....0..0..0..1..1....1..1..0..0..1
..0..0..0..1..0....1..0..0..1..1....1..0..0..1..0....0..1..0..0..0
..1..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
..1..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..1
..0..0..0..1..1....0..0..1..0..0....0..0..1..0..0....0..1..0..0..1
..0..0..0..0..1....1..1..0..0..0....1..1..0..0..0....0..1..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 27 2015
STATUS
approved