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A121605
Primes of the form (Fibonacci[n+3] + 2) = A018910[n], Pisot sequence L(4,5).
1
5, 7, 23, 379, 17713, 102334157, 3416454622906709, 1100087778366101933, 468340976726457153752543329995931, 40934782466626840596168752972961528246149
OFFSET
1,1
COMMENTS
a(n) = Fibonacci[A121606[n] + 3 ] + 2. Indices n = {1,2,5,11,19,37,73,85,155,193,227,233,257,785,797,1277,2371,2771,...} corresponding to prime A018910[n] = (Fibonacci[n+3] + 2) are listed in A121606[n].
MATHEMATICA
Select[Table[Fibonacci[n+3]+2, {n, 1, 300}], PrimeQ]
CROSSREFS
KEYWORD
nonn
AUTHOR
Alexander Adamchuk, Aug 09 2006
STATUS
approved