OFFSET
1,1
COMMENTS
Column 7 of A253841
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) -a(n-2) +2*a(n-6) -4*a(n-7) +3*a(n-8) -2*a(n-9) +a(n-10) -a(n-12) +2*a(n-13) -3*a(n-14) +4*a(n-15) -2*a(n-16) +a(n-20) -2*a(n-21) +a(n-22) for n>35
EXAMPLE
Some solutions for n=1
..0..0..0..1..1..0..0..0..1....0..0..1..0..1..1..0..0..0
..0..0..0..0..0..1..1..1..1....0..0..1..0..1..1..1..1..1
..1..0..1..1..0..0..0..1..0....0..0..1..1..0..0..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 16 2015
STATUS
approved