OFFSET
1,1
COMMENTS
Diagonal of A235301.
FORMULA
Empirical: a(n) = 4*a(n-1) +23*a(n-2) -92*a(n-3) -200*a(n-4) +800*a(n-5) +820*a(n-6) -3280*a(n-7) -1584*a(n-8) +6336*a(n-9) +1152*a(n-10) -4608*a(n-11) [see A235301 for assumption].
EXAMPLE
Some solutions for n=5:
2 0 0 0 0 0 3 3 3 3 2 3 1 3 2 3 3 3 3 1 3 1 3 1
2 3 0 3 0 3 3 0 3 0 2 0 1 0 2 0 3 0 1 2 1 2 1 2
3 1 1 1 1 1 1 1 1 1 0 1 1 3 2 3 3 3 3 1 3 1 3 1
2 3 0 3 0 3 3 0 3 0 2 0 1 0 2 0 3 0 1 2 1 2 1 2
2 0 0 0 0 0 3 3 3 3 2 3 1 3 2 3 3 3 2 0 2 0 2 0
2 3 0 3 0 3 3 0 3 0 2 0 1 0 2 0 3 0 1 2 1 2 1 2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2014
STATUS
approved