OFFSET
1,2
COMMENTS
Row 5 of A297431.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 6*a(n-1) -2*a(n-2) -21*a(n-3) +55*a(n-4) -312*a(n-5) -47*a(n-6) +1417*a(n-7) -1322*a(n-8) +1486*a(n-9) +5063*a(n-10) -11080*a(n-11) +5229*a(n-12) -1399*a(n-13) -24687*a(n-14) +35875*a(n-15) +3906*a(n-16) -14117*a(n-17) -22633*a(n-18) +43774*a(n-19) -41598*a(n-20) +41345*a(n-21) -37878*a(n-22) +32034*a(n-23) -16314*a(n-24) +6016*a(n-25) -2376*a(n-26) +968*a(n-27) -432*a(n-28) +64*a(n-29)
EXAMPLE
Some solutions for n=5
..0..1..1..0..0. .0..0..0..0..0. .0..0..1..0..0. .0..0..0..0..0
..1..1..0..0..0. .0..0..1..1..1. .0..1..0..1..1. .0..0..1..0..0
..0..0..0..0..0. .0..0..0..1..0. .1..0..0..1..0. .0..1..0..1..0
..1..1..0..0..0. .1..1..0..0..0. .0..1..1..0..0. .1..1..0..0..1
..0..1..1..0..0. .1..1..0..0..0. .0..0..0..0..0. .0..0..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 30 2017
STATUS
approved