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A109461
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Mersenne's original list of "Mersenne" exponents.
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0
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2, 3, 5, 7, 13, 17, 19, 31, 67, 127, 257
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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Primes appearing in Mersenne's original list (Cogitata Physica-Mathematica, 1644) that attempted to list all p such that 2^p - 1 is prime (now known as Mersenne primes). Compared to the correct list of exponents that produce Mersenne primes (A000043), this list leaves out the correct values 61, 89 and 107 and includes the incorrect values 67 and 257.
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REFERENCES
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George P. Loweke, The Lore of Prime Numbers. New York: Vantage Press (1982): 46.
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LINKS
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Table of n, a(n) for n=1..11.
Chris Caldwell, Prime Pages: Mersenne Primes: History, Theorems and Lists
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CROSSREFS
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Cf. A000043.
Sequence in context: A000043 A109799 A152961 * A138539 A090422 A005109
Adjacent sequences: A109458 A109459 A109460 * A109462 A109463 A109464
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KEYWORD
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nonn,full,fini
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AUTHOR
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Jon Wild, Aug 07 2006
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STATUS
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approved
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