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Search: id:A101331
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| A101331 |
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Fermat(Mersenne(x)) = 2^(2^(2^x-1))+1 |
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+0
1
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OFFSET
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0,1
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COMMENT
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Fermat-Mersenne numbers.
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EXAMPLE
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F(M(0))= 3
F(M(1))= 5
F(M(2))= 257
F(M(3))= 340282366920938463463374607431768211457
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PROGRAM
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(PARI) for(x=0, 4, print( ( 2^(2^(2^x-1))+1 )))
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CROSSREFS
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Sequence in context: A012817 A087367 A058846 this_sequence A087368 A087670 A138584
Adjacent sequences: A101328 A101329 A101330 this_sequence A101332 A101333 A101334
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KEYWORD
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nonn
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AUTHOR
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Jorge Coveiro (jorgecoveiro(AT)yahoo.com), Dec 24 2004
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