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0, 1, 1, 3, 3, 7, 9, 21, 21, 47, 63, 141, 147, 329, 441, 987, 987, 2207, 2961, 6621, 6909, 15449, 20727, 46347, 46389, 103729, 139167, 311187, 324723, 726103, 974169, 2178309, 2178309, 4870847, 6534927, 14612541, 15248163, 34095929, 45744489
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graph;
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internal format)
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OFFSET
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0,4
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LINKS
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MAPLE
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with(combinat); [seq(A075149(n, n=0..50)]; A075149 := n -> add((binomial(2*r(n), i) mod 2)*fibonacci(n-i), i=0..2*r(n));
r := n -> n - 2^floor_log_2(n);
floor_log_2 := proc(n) local nn, i; nn := n; for i from -1 to n do if(0 = nn) then RETURN(i); fi; nn := floor(nn/2); od; end;
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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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