OFFSET
0,1
COMMENTS
Periodic with period (5,2,5,2,5).
LINKS
S. W. Golomb, Discrete chaos: sequences satisfying "strange" recursions, unpublished manuscript, circa 1990 [cached copy, with permission (annotated)]
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 1).
MAPLE
f:=proc(n, o, S) option remember; # o = offset, S = init. terms
L:=nops(S);
if n < 0 then 0
elif n <= o+L-1 then S[n-o+1]
else f(n-f(n-1, o, S), o, S); fi; end;
[seq(f(n, 0, [5, 2, 5, 2]), n=0..100)];
MATHEMATICA
LinearRecurrence[{0, 0, 0, 0, 1}, {5, 2, 5, 2, 5}, 76] (* Ray Chandler, Aug 25 2015 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 17 2014
STATUS
approved