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Search: id:A004687
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| A004687 |
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Fibonacci numbers written in base 4. |
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+0
1
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| 0, 1, 1, 2, 3, 11, 20, 31, 111, 202, 313, 1121, 2100, 3221, 11321, 21202, 33123, 120331, 220120, 1001111, 1221231, 2223002, 10110233, 12333301, 23110200, 102110101, 131220301, 233331002, 1031211303, 1331202311
(list; graph; listen)
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OFFSET
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0,4
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MATHEMATICA
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bf[n_, k_]:=Module[{s=ToString[BaseForm[n, k]]}, ToExpression[StringDrop[s, {Part[StringPosition[s, "\n"], 1, 1], -1}]]] lst={}; Do[f=bf[Fibonacci[n], 4]; AppendTo[lst, f], {n, 0, 4*4!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jun 17 2009]
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CROSSREFS
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Sequence in context: A076201 A129668 A086791 this_sequence A097895 A023182 A049083
Adjacent sequences: A004684 A004685 A004686 this_sequence A004688 A004689 A004690
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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