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A004685
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Fibonacci numbers written in base 2.
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25
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0, 1, 1, 10, 11, 101, 1000, 1101, 10101, 100010, 110111, 1011001, 10010000, 11101001, 101111001, 1001100010, 1111011011, 11000111101, 101000011000, 1000001010101, 1101001101101, 10101011000010, 100010100101111, 110111111110001, 1011010100100000, 10010010100010001
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OFFSET
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0,4
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LINKS
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FORMULA
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MAPLE
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with(combinat): seq(convert(fibonacci(n), binary), n=0..25); # Muniru A Asiru, Oct 10 2018
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MATHEMATICA
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Table[FromDigits[IntegerDigits[Fibonacci[n], 2]], {n, 0, 30}] (* Stefan Steinerberger, Apr 14 2006 *)
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PROG
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(PARI) apply( n->fromdigits(binary(fibonacci(n))), [0..19]) \\ M. F. Hasler, Jun 22 2018
(PARI) vector(50, n, n--; fromdigits(digits(fibonacci(n), 2))) \\ G. C. Greubel, Oct 09 2018
(Magma) [Seqint(Intseq(Fibonacci(n), 2)): n in [0..50]]; // G. C. Greubel, Oct 09 2018
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CROSSREFS
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Cf. A004686 .. A004694: Fibonacci numbers written in base 3, 4, ..., 13.
Cf. A004643, ..., A004668 : powers of 2 resp. of 3 in base 3, 4, 5, ..., 26.
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KEYWORD
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nonn,easy,base
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AUTHOR
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STATUS
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approved
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