OFFSET
1,3
LINKS
P. Moree, Convoluted convolved Fibonacci numbers, arXiv:math/0311205 [math.CO], 2003.
Pieter Moree, Convoluted Convolved Fibonacci Numbers, Journal of Integer Sequences, Vol. 7 (2004), Article 04.2.2.
FORMULA
G.f.: (z/8)[1/(1-z-z^2)^8-1/(1-z^2-z^4)^4].
MAPLE
with(numtheory): f := z->1/(1-z-z^2): m := proc(r, j) d := divisors(r): W := (1/r)*z*sum(mobius(d[i])*f(z^d[i])^(r/d[i]), i=1..nops(d)): Wser := simplify(series(W, z=0, 80)): coeff(Wser, z^j) end: seq(m(8, j), j=1..40);
MATHEMATICA
(1/8)(1/(1-z-z^2)^8-1/(1-z^2-z^4)^4) + O[z]^30 // CoefficientList[#, z]& (* Jean-François Alcover, Mar 27 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Dec 05 2003
EXTENSIONS
Edited by Emeric Deutsch, Mar 06 2004
STATUS
approved