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A288581
a(0)=1, a(1)=0; thereafter a(n) = 2^Fibonacci(n-1)*a(n-1) + a(n-2).
2
1, 0, 1, 2, 9, 74, 2377, 608586, 4985538889, 10455432852752714, 179622968672387565806504265, 6471599478241175343734843735327078926076234, 4005726056166563547283223187979602658910620746504772987089147436550473
OFFSET
0,4
LINKS
G. M. Barabash, Y. M. Kholyavka, I. V. Tytar, Periodic words connected with the Fibonacci words, Carpathian Math. Publ. 2016, 8 (1), 11-15; doi:10.15330/cmp.8.1.11-15.
MAPLE
with(combinat);
d:=proc(n) option remember;
if n <= 1 then 1-n else 2^fibonacci(n-1)*d(n-1)+d(n-2); fi; end;
[seq(d(n), n=0..12)];
CROSSREFS
Cf. A288582.
Sequence in context: A103996 A015473 A029849 * A197082 A243054 A080638
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 04 2017
STATUS
approved