OFFSET
0,4
COMMENTS
Euler transform of the characteristic function of the even-subscripted Fibonacci numbers.
FORMULA
G.f.=1/product((1-x^fibonacci(2k)), k=1..infinity).
EXAMPLE
a(8)=4 because we have 8, 3+3+1+1, 3+1+1+1+1+1 and 1+1+1+1+1+1+1+1.
CROSSREFS
KEYWORD
nonn
AUTHOR
Emeric Deutsch, Mar 23 2005
STATUS
approved