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A061414 Numbers k such that m*2^k - 1 is prime for exactly one coefficient m in the range 0 <= m <= k. 4
8, 9, 19, 23, 25, 26, 34, 39, 58, 64, 66, 68, 82, 83, 84, 86, 108, 109, 117, 118, 128, 129, 130, 134, 136, 150, 151, 175, 176, 178, 179, 194, 197, 227, 231, 234, 240, 241, 248, 258, 259, 275, 276, 278, 281, 309, 315, 316, 317, 330, 331, 332, 336, 337, 339, 340 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
For corresponding coefficient values see A061415.
LINKS
CROSSREFS
Sequence in context: A067544 A022313 A120311 * A240915 A281225 A071869
KEYWORD
nonn
AUTHOR
Patrick De Geest, May 15 2001
EXTENSIONS
Name edited and Offset changed by Jon E. Schoenfield, Oct 26 2019
STATUS
approved

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Last modified March 28 17:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)