OFFSET
1,1
COMMENTS
Column 5 of A208175
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 846*a(n-1) -46537*a(n-2) +1162868*a(n-3) -17173907*a(n-4) +166807056*a(n-5) -1125592122*a(n-6) +5444000730*a(n-7) -19238506974*a(n-8) +50296239144*a(n-9) -97844056164*a(n-10) +140881555908*a(n-11) -146587250745*a(n-12) +104533491168*a(n-13) -46130948685*a(n-14) +10416243600*a(n-15) -863591625*a(n-16) for n>17
EXAMPLE
Some solutions for n=4
..0..1..1..0..0....0..0..0..0..0....0..0..0..1..0....0..0..0..0..0
..0..2..0..1..2....0..1..1..1..0....0..1..1..0..2....1..0..1..0..1
..1..1..3..1..0....1..2..2..2..1....2..1..2..2..3....1..0..0..2..1
..0..1..0..2..3....0..0..3..0..0....0..1..3..1..3....2..3..3..0..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 24 2012
STATUS
approved