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A244892
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a(n) = a(n-a(n-1)) with initial values 5,2,5,2.
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0
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5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5, 2, 5, 2, 5, 5
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OFFSET
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0,1
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COMMENTS
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Periodic with period (5,2,5,2,5).
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LINKS
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MAPLE
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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)];
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MATHEMATICA
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LinearRecurrence[{0, 0, 0, 0, 1}, {5, 2, 5, 2, 5}, 76] (* Ray Chandler, Aug 25 2015 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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