OFFSET
0,2
COMMENTS
FORMULA
a(n) ~ c * ((1+sqrt(5))/2)^((n+2)*(n+3)/2) / 5^(n/2) where c = 0.5018252861856573838264566231631563920610293670131098212588... . - Vaclav Kotesovec, Nov 27 2015
EXAMPLE
a(2)=F(4)*2+F(3)*1=8, a(3)=F(5)*8+F(4)*2=46.
MATHEMATICA
a[0] = 1; a[1] = 2; a[n_] := Fibonacci[n + 2]*a[n - 1] + Fibonacci[n + 1]*a[n - 2]; Table[ a[n], {n, 0, 16}] (* Robert G. Wilson v, Jul 09 2004 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jul 01 2004
EXTENSIONS
More terms from Robert G. Wilson v, Jul 09 2004
STATUS
approved