OFFSET
1,1
COMMENTS
Row 3 of A251065
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 30*a(n-1) -425*a(n-2) +3782*a(n-3) -23721*a(n-4) +111526*a(n-5) -408077*a(n-6) +1190790*a(n-7) -2816743*a(n-8) +5459714*a(n-9) -8729643*a(n-10) +11551618*a(n-11) -12652835*a(n-12) +11438610*a(n-13) -8481295*a(n-14) +5104082*a(n-15) -2453580*a(n-16) +919720*a(n-17) -259024*a(n-18) +51552*a(n-19) -6464*a(n-20) +384*a(n-21)
EXAMPLE
Some solutions for n=2
..1..1..1....0..1..2....1..1..1....1..2..1....0..1..0....0..2..2....2..2..1
..0..0..0....0..1..1....0..1..1....1..0..1....0..0..2....1..1..1....1..1..2
..2..2..2....0..1..2....2..1..1....1..2..2....1..1..1....0..0..2....1..2..2
..0..0..0....1..2..1....1..2..2....0..2..2....0..1..1....1..1..1....2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 29 2014
STATUS
approved