login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A057913 Numbers n such that 3*2^n + 5 is prime. 0
1, 2, 3, 4, 5, 6, 7, 8, 14, 16, 19, 22, 24, 27, 29, 32, 38, 54, 57, 60, 76, 94, 132, 139, 175, 187, 208, 230, 379, 384, 632, 1040, 1188, 1359, 1553, 1734, 1768, 1925, 2492, 3272, 3537, 3949, 4647, 5869, 6473, 7036, 8550, 9459, 9784, 15440, 15507, 15637, 16400 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MATHEMATICA

Do[ If[ PrimeQ[ 3*2^n + 5 ], Print[ n ] ], {n, 1, 3000} ]

CROSSREFS

Sequence in context: A023763 A032904 A088416 * A032997 A097546 A004837

Adjacent sequences:  A057910 A057911 A057912 * A057914 A057915 A057916

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 16 2000

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 23:53 EST 2012. Contains 205689 sequences.