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Search: id:A070530
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| A070530 |
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Primes of form Cyclotomic[n,2^n]. |
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+0
1
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OFFSET
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1,1
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EXAMPLE
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4th term is Cyclotomic[7,128]=1+128+16384+2097152+..+4398046511104=4432676798593; the next 2 known terms have almost 200 or more than 1000 decimal digits.
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MATHEMATICA
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Do[s=Cyclotomic[n, 2^n]; If[PrimeQ[s], Print[s]], {n, 1, 59}]
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CROSSREFS
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Cf. A070518-A070527.
Sequence in context: A136637 A138623 A070526 this_sequence A059017 A099667 A108444
Adjacent sequences: A070527 A070528 A070529 this_sequence A070531 A070532 A070533
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), May 02 2002
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