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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A057910 Numbers n such that 2*3^n - 5 is prime. 0
2, 4, 6, 10, 12, 13, 19, 43, 48, 64, 72, 97, 187, 190, 336, 348, 676, 2484, 2719, 3298, 4726, 9901 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

Do[ If[ PrimeQ[ 2*3^n - 5 ], Print[ n ] ], {n, 1, 2500} ]

CROSSREFS

Sequence in context: A067852 A102025 A090127 * A022305 A103799 A175817

Adjacent sequences:  A057907 A057908 A057909 * A057911 A057912 A057913

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 17 12:38 EST 2012. Contains 206021 sequences.