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A176061 Numbers n such that 41#*2^n-1 is prime, where # denotes the primorial, A002110. 1
0, 2, 5, 8, 9, 12, 14, 16, 32, 36, 42, 43, 62, 69, 72, 76, 95, 98, 102, 166, 179, 290, 324, 332, 393, 457, 569, 661, 788, 816, 904, 952, 986, 1004, 1036, 1064, 1091, 1279, 1307, 1491, 1496, 1521, 1597, 1740, 1760, 1856, 2104, 2196, 2402, 2699, 2943, 2999, 3095, 3509, 3584, 3890, 3927, 4074, 4454, 5162, 5635, 5860, 6288, 6478, 6675, 6911, 7455, 7806, 10409, 10735, 11719, 12312, 14789, 15171, 18031, 18764, 23033, 23461, 26192, 31490, 32259, 37641, 41899, 53582, 57425, 59724, 63535, 87393, 95326 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

41# = 304250263527210.

LINKS

Table of n, a(n) for n=1..89.

MATHEMATICA

Select[Range[0, 100], PrimeQ[304250263527210*2^# - 1] &]

CROSSREFS

Sequence in context: A153275 A161154 A174438 * A183234 A108968 A289628

Adjacent sequences:  A176058 A176059 A176060 * A176062 A176063 A176064

KEYWORD

nonn

AUTHOR

Pierre CAMI, Dec 06 2010

STATUS

approved

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Last modified April 22 04:04 EDT 2019. Contains 322329 sequences. (Running on oeis4.)