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A061414 m.2^n-1 is prime for exactly one coefficient m in the range 0<=m<=n. 2
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

0,1

COMMENTS

For corresponding coefficient values see A061415.

LINKS

Table of n, a(n) for n=0..55.

CROSSREFS

Cf. A061410-A061415.

Sequence in context: A067544 A022313 A120311 * A240915 A281225 A071869

Adjacent sequences:  A061411 A061412 A061413 * A061415 A061416 A061417

KEYWORD

nonn

AUTHOR

Patrick De Geest, May 15 2001.

STATUS

approved

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Last modified September 17 22:53 EDT 2019. Contains 327147 sequences. (Running on oeis4.)