OFFSET
9,2
FORMULA
G.f.: ( Sum_{k>=2} x^Fibonacci(k) )^9.
a(n) = A121548(n,9).
MATHEMATICA
nmax = 47; CoefficientList[Series[Sum[x^Fibonacci[k], {k, 2, 21}]^9, {x, 0, nmax}], x] // Drop[#, 9] &
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Oct 10 2022
STATUS
approved