OFFSET
1,1
COMMENTS
Column 7 of A203923
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) +2*a(n-3) +4*a(n-4) +24*a(n-5) -104*a(n-6) +301*a(n-7) -972*a(n-8) +2951*a(n-9) +4454*a(n-10) -8159*a(n-11) +3837*a(n-12) +13919*a(n-13) -26933*a(n-14) -91244*a(n-15) +142632*a(n-16) -570464*a(n-17) -98729*a(n-18) +603130*a(n-19) -1303688*a(n-20) +752149*a(n-21) +3907255*a(n-22) -1500486*a(n-23) -2419833*a(n-24) +46150970*a(n-25) -18016427*a(n-26) -44844189*a(n-27) +17393987*a(n-28) -13261937*a(n-29) +5424393*a(n-30) +454779*a(n-31) -971074*a(n-32) +371293*a(n-33) -12623962*a(n-35) +4826809*a(n-36) for n>41
EXAMPLE
Some solutions for n=3
..0..1..1..1..1..0..1..0..1....0..0..1..1..1..1..0..0..1
..0..1..1..1..0..1..0..1..0....0..0..1..1..1..1..1..0..0
..1..1..1..0..1..0..1..0..0....0..1..0..1..1..1..1..1..0
..1..1..0..1..0..1..0..0..0....1..0..1..0..1..1..1..1..1
..1..0..1..1..1..0..0..0..1....0..0..0..1..0..1..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 07 2012
STATUS
approved