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A097644
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Numbers n such that pi(n)=reversal(n).
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0
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OFFSET
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1,1
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COMMENTS
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This sequence has only two odd terms, i.e. 51 and 8201 and 10 divides all other terms. Next term is greater than 10^8.
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LINKS
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Table of n, a(n) for n=1..9.
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EXAMPLE
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26113610 is in the sequence because
pi(26113610)=1631162=reversal(26113610).
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MATHEMATICA
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Do[If[PrimePi[m]==FromDigits[Reverse[IntegerDigits[m]]], Print[m]], {m, 100000000}]
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CROSSREFS
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Cf. A037171, A069215.
Sequence in context: A063314 A129298 A065010 * A044302 A044683 A044383
Adjacent sequences: A097641 A097642 A097643 * A097645 A097646 A097647
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KEYWORD
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base,nonn
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AUTHOR
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Farideh Firoozbakht, Aug 25 2004
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EXTENSIONS
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Two more terms from Giovanni Resta, Feb 06 2006
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STATUS
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approved
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