OFFSET
1,2
COMMENTS
Row 2 of A232376
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) +a(n-2) +13*a(n-3) +26*a(n-5) -4*a(n-6) +24*a(n-7) +16*a(n-8) for n>9.
Empirical: g.f.: x + 2*x*(-7 -16*x -30*x^2 +7*x^3 -17*x^4 -30*x^5 -4*x^6 +8*x^7) ) / ( (2*x^2+1)*(8*x^6 +12*x^5 -6*x^4 +7*x^3 +3*x^2 +3*x-1) ). - R. J. Mathar, Nov 27 2013
EXAMPLE
Some solutions for n=7
..3..0..1..2..1..0..3....0..3..2..3..0..3..0....2..1..2..3..0..3..2
..3..2..3..0..1..0..3....2..1..0..3..2..1..0....2..3..2..3..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 23 2013
STATUS
approved