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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A113826 Numbers n such that (n+1)^7 - n^7 is prime. 0
1, 3, 6, 7, 8, 9, 11, 16, 25, 32, 35, 38, 40, 48, 50, 54, 58, 65, 77, 78, 79, 87, 95, 97, 103, 112, 117, 119, 122, 134, 135, 141, 145, 155, 156, 159, 161, 172, 175, 193, 209, 218, 219, 220, 221, 223, 231, 233, 246, 280, 290, 296, 297, 304, 309, 310, 311, 322, 327 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MAPLE

L:= NULL: for x from 1 to 1000 do if isprime((x+1)^7 - x^7) then L:= L, x fi od: L;

CROSSREFS

Sequence in context: A030781 A073417 A047559 * A053030 A189822 A051205

Adjacent sequences:  A113823 A113824 A113825 * A113827 A113828 A113829

KEYWORD

easy,nonn

AUTHOR

Robert B. Israel (israel(AT)math.ubc.ca), Jan 24 2006

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 01:29 EST 2012. Contains 205860 sequences.