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Search: id:A159053
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| A159053 |
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Indices n such that Fibonacci(n-3) is a multiple of n. |
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+0
2
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| 1, 3, 87, 123, 143, 183, 267, 303, 327, 447, 483, 543, 687, 723, 807, 843, 1023, 1047, 1167, 1203, 1227, 1263, 1347, 1383, 1527, 1563, 1623, 1707, 1763, 1803, 1923, 1983, 2103, 2127, 2283, 2307, 2427, 2463, 2487, 2643, 2691, 2703, 2787, 2823, 3027, 3063
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OFFSET
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1,2
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EXAMPLE
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Fibonacci(84)/87=160500643816367088/87=1844834986395024, so 87 is in the sequence. Fibonacci(120)/123=5358359254990966640871840/123 = 43563896382040379194080 so 123 is in the sequence.
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MATHEMATICA
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lst={}; Do[If[Mod[(Fibonacci[n-3]), n]==0, AppendTo[lst, n]], {n, 3*7!}]; lst
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CROSSREFS
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Cf. A123976, A159051, A159052.
Sequence in context: A042587 A156879 A120264 this_sequence A037112 A093748 A156737
Adjacent sequences: A159050 A159051 A159052 this_sequence A159054 A159055 A159056
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KEYWORD
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nonn
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Apr 03 2009
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EXTENSIONS
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Comments edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 05 2009
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