OFFSET
1,2
COMMENTS
Row 5 of A219078
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..170
FORMULA
Empirical: a(n) = 20*a(n-1) +146*a(n-2) +3532*a(n-3) +27431*a(n-4) +116656*a(n-5) +474493*a(n-6) -504690*a(n-7) -9727761*a(n-8) -24028992*a(n-9) -66423882*a(n-10) -41186382*a(n-11) +707203710*a(n-12) +1057707036*a(n-13) +400102378*a(n-14) +2214831924*a(n-15) -8080578503*a(n-16) -15125172488*a(n-17) +2822970974*a(n-18) -20788048752*a(n-19) +25829191223*a(n-20) +56646466196*a(n-21) -24732078735*a(n-22) +59826555806*a(n-23) -56845699775*a(n-24) -45194311324*a(n-25) +8339540130*a(n-26) -13101220366*a(n-27) +23960611452*a(n-28) +18278792048*a(n-29) -10927311264*a(n-30) -3516015456*a(n-31) +2062115264*a(n-32) -872547840*a(n-33) -203788800*a(n-34) +235008000*a(n-35)
EXAMPLE
Some solutions for n=3
..0..1..1....0..1..1....0..1..1....1..1..1....0..1..1....1..1..1....0..1..0
..0..0..0....1..0..0....0..0..0....1..0..0....1..1..0....0..0..1....0..1..0
..1..0..0....1..0..1....0..1..1....1..0..1....1..0..1....1..0..0....1..1..1
..0..1..0....1..0..1....1..0..1....1..1..0....1..1..1....1..1..0....1..0..1
..1..1..1....1..0..1....1..1..0....0..1..0....0..1..0....0..0..0....0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 11 2012
STATUS
approved