OFFSET
1,1
COMMENTS
Column 5 of A223576
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Let U(z) = (z^4+6*z^3+23*z^2+18*z+24)/24
a(n) = U(min(n,5))^(max(n,5)-min(n,5)+1) * product{ U(i)^2 , i=1..(min(n,5)-1) }
a(n) = 86*a(n-1) for n>4
EXAMPLE
Some solutions for n=3
..0..0..1..2..1....0..0..0..1..1....0..0..0..1..2....0..0..2..1..0
..0..2..1..1..1....0..1..2..0..0....0..0..0..2..2....0..2..1..0..0
..0..0..1..0..2....0..2..0..2..1....0..0..1..2..2....0..0..2..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 22 2013
STATUS
approved