OFFSET
1,1
COMMENTS
Column 6 of A218064
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..72
FORMULA
Empirical: a(n) = 26*a(n-1) -199*a(n-2) +527*a(n-3) +257*a(n-4) -3086*a(n-5) +918*a(n-6) +11050*a(n-7) -6781*a(n-8) -25737*a(n-9) +23534*a(n-10) +29646*a(n-11) -36015*a(n-12) -15207*a(n-13) +25338*a(n-14) +2853*a(n-15) -8912*a(n-16) +2728*a(n-17) -200*a(n-18) +36*a(n-19) -16*a(n-20) for n>21
EXAMPLE
Some solutions for n=3
..0..0..0..0..0..0....1..0..0..0..0..0....1..1..0..0..0..0....1..1..0..0..0..1
..0..1..0..0..1..0....0..0..1..1..0..0....1..1..0..0..0..0....1..1..0..0..0..1
..1..1..1..0..0..0....0..0..0..0..0..1....1..1..1..1..0..1....1..1..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 19 2012
STATUS
approved