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A319230
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Triple prime Fibonacci numbers: Fibonacci numbers f such that (1) f is prime, (2) f's index is prime, and (3) the sum of f's digits is prime.
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1
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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EXAMPLE
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514229 is prime; it is the 29th Fibonacci number and 29 is prime; and the sum of its digits is 23 and 23 is prime.
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MATHEMATICA
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Select[With[{nn=2000}, Pick[Fibonacci[Range[nn]], PrimeQ[Range[nn]]]], PrimeQ[#] && PrimeQ[ Total[ IntegerDigits[#]]]&]
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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