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A159259
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Numbers n>0 such that 8*n^2-2*n-1 divides Fibonacci(n).
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3
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27, 37, 97, 577, 687, 727, 777, 807, 1297, 1707, 1917, 2067, 2487, 2787, 2977, 3027, 3037, 3067, 3277, 3367, 3417, 3507, 3837, 4047, 4257, 4377, 4447, 4567, 4717, 5137, 5557, 5637, 5677, 5917, 5967, 6057, 6187, 6327, 7077, 7087, 7357, 7407, 7507, 7597
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The prime numbers of this sequence are in A159231.
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LINKS
| Arkadiusz Wesolowski, Table of n, a(n) for n = 1..1000
Chris Caldwell, The Prime Glossary, Fibonacci number
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MATHEMATICA
| Select[Range[7600], Mod[Fibonacci[#], 8*#^2 - 2*# - 1] == 0 &] (* Arkadiusz Wesolowski, Dec 12 2011 *)
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CROSSREFS
| Cf. A000045, A023172, A159234, A159231, A181890.
Sequence in context: A025145 A180961 A069105 * A097228 A039614 A181489
Adjacent sequences: A159256 A159257 A159258 * A159260 A159261 A159262
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KEYWORD
| nonn
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AUTHOR
| Arkadiusz Wesolowski (wesolowski(AT)aol.pl), Apr 07 2009
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