OFFSET
1,1
COMMENTS
Column 4 of A220579
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 49*a(n-1) -1058*a(n-2) +13352*a(n-3) -109857*a(n-4) +620213*a(n-5) -2449435*a(n-6) +6704400*a(n-7) -12020996*a(n-8) +11403651*a(n-9) +1989496*a(n-10) -18274416*a(n-11) +12779735*a(n-12) +13888615*a(n-13) -21466582*a(n-14) -4814175*a(n-15) +19770698*a(n-16) +1111627*a(n-17) -21069650*a(n-18) +16193684*a(n-19) -921063*a(n-20) -11095317*a(n-21) +11666405*a(n-22) -3274482*a(n-23) -1162160*a(n-24) +1220233*a(n-25) -1400204*a(n-26) +728140*a(n-27) -62411*a(n-28) +67213*a(n-29) -17664*a(n-30) -12975*a(n-31) -10189*a(n-32) +5572*a(n-33) -704*a(n-34) +256*a(n-35) for n>36
EXAMPLE
Some solutions for n=3
..0..1..0..1....1..0..1..0....1..1..1..1....1..0..1..0....1..0..1..1
..0..1..1..0....1..1..0..1....1..0..0..1....0..0..0..1....1..0..0..1
..1..0..1..0....0..1..0..1....0..1..0..1....1..1..0..0....1..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 16 2012
STATUS
approved