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A119755 Indices of Fibonacci numbers in A073656, i.e., A073656(n) = F(a(n)). 0
1, 2, 3, 4, 6, 5, 12, 7, 9, 10, 67671, 11084, 5271, 6704, 6807, 6452, 10587, 7928, 2463, 80, 57, 8, 15, 16, 18, 20, 27, 22, 21, 124, 87, 32, 30, 11, 24, 13, 48, 23, 60, 19, 54, 52, 69, 44, 513, 148, 75, 38, 36, 29, 750, 259, 246, 53, 150, 83, 132, 73, 42, 40, 51, 14, 981, 284, 801, 964, 1971, 5174 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
a(12) > 9800.
LINKS
EXAMPLE
A073656(7) = 144, the 12th Fibonacci number, so a(7) = 12.
MATHEMATICA
l = {1, 2}; Do[k = 1; While[MemberQ[l, k] || !PrimeQ[Fibonacci[Last[l]] + Fibonacci[k]], k++ ]; AppendTo[l, k]; Print[l], {n, 30}]
CROSSREFS
Cf. A073656.
Sequence in context: A064787 A369137 A075160 * A206710 A175502 A364246
KEYWORD
nonn
AUTHOR
Ryan Propper, Jun 17 2006
STATUS
approved

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Last modified February 25 16:57 EST 2024. Contains 370332 sequences. (Running on oeis4.)