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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A059747 Numbers n such that 3*2^n - 7 is prime. 0
2, 3, 4, 5, 8, 12, 15, 17, 20, 21, 45, 48, 87, 97, 113, 120, 172, 217, 228, 276, 312, 580, 692, 1132, 1588, 1668, 2576, 2591 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

Do[ If[ PrimeQ[ 3*2^n - 7 ], Print[n] ], {n, 1, 3000} ]

CROSSREFS

Sequence in context: A048486 A179402 A065428 * A094087 A017821 A113439

Adjacent sequences:  A059744 A059745 A059746 * A059748 A059749 A059750

KEYWORD

nonn,more

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 10 2001

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 16 12:41 EST 2012. Contains 205909 sequences.