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A061155 n.2^m+1 is prime for exactly one exponent m in the range 0<=m<=n. +0
2
31, 91, 353, 493, 512, 587, 692, 752, 829, 919, 1021, 1024, 1174, 1384, 1643, 1658, 1669, 1735, 1838, 1913, 1921, 2042, 2048, 2057, 2311, 2423, 2768, 3167 (list; graph; listen)
OFFSET

0,1

COMMENT

Corresponding exponent values see A061156.

CROSSREFS

Cf. A061153-A061158.

Sequence in context: A139700 A124803 A126385 this_sequence A098440 A042892 A042890

Adjacent sequences: A061152 A061153 A061154 this_sequence A061156 A061157 A061158

KEYWORD

nonn

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Apr 15 2001.

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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