OFFSET
1,1
COMMENTS
Column 5 of A259297
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 4*a(n-1) +94*a(n-2) -260*a(n-3) -3104*a(n-4) +6922*a(n-5) +48854*a(n-6) -94118*a(n-7) -411428*a(n-8) +687376*a(n-9) +1991983*a(n-10) -2792826*a(n-11) -5747356*a(n-12) +6404184*a(n-13) +9882208*a(n-14) -8117120*a(n-15) -9774592*a(n-16) +5218304*a(n-17) +5062656*a(n-18) -1310720*a(n-19) -1048576*a(n-20)
EXAMPLE
Some solutions for n=3
..0..1..0..1..0..1....1..0..1..1..1..0....1..1..0..0..1..0....0..1..1..1..1..0
..1..1..1..1..1..1....0..1..0..1..0..0....1..0..0..1..1..1....1..1..0..1..0..1
..1..0..1..0..1..0....1..0..1..0..1..0....0..0..1..1..0..1....1..0..1..1..1..0
..0..1..0..0..0..1....0..1..1..1..1..1....1..0..0..1..1..1....0..0..0..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 23 2015
STATUS
approved