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A157892 Values of k in A080075. +0
2
1, 1, 1, 3, 1, 3, 1, 5, 3, 7, 1, 5, 3, 7, 1, 9, 5, 11, 3, 13, 7, 15, 1, 9, 5, 11, 3, 13, 7, 15, 1, 17, 9, 19, 5, 21, 11, 23, 3, 25, 13, 27, 7, 29, 15, 31, 1, 17, 9, 19, 5, 21, 11, 23, 3, 25, 13, 27, 7, 29, 15, 31, 1, 33, 17, 35, 9, 37, 19, 39, 5, 41, 21, 43, 11, 45, 23, 47, 3, 49, 25, 51, 13 (list; graph; listen)
OFFSET

1,4

LINKS

Zak Seidov, A157892

CROSSREFS

Cf. A157893 Values of m in A080075.

A080075 Proth numbers : of the form k*2^m + 1 for k odd, m >= 1 and 2^m > k.

Sequence in context: A053575 A103790 A013603 this_sequence A146907 A126212 A066637

Adjacent sequences: A157889 A157890 A157891 this_sequence A157893 A157894 A157895

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Mar 08 2009

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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.


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