login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A171689 Nonprimes n such that either n+-1 is prime. 1

%I

%S 1,8,10,14,16,20,22,24,28,32,36,38,40,44,46,48,52,54,58,62,66,68,70,

%T 74,78,80,82,84,88,90,96,98,100,104,106,110,112,114,126,128,130,132,

%U 136,140,148,152,156,158,162,164,166,168,172,174,178,182,190,194,196,200

%N Nonprimes n such that either n+-1 is prime.

%C Essentially the same as A100317.

%K nonn,easy,less

%O 1,2

%A _Juri-Stepan Gerasimov_, Dec 15 2009

%E Comment from _Charles R Greathouse IV_, Mar 25 2010

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 2 18:34 EST 2023. Contains 360023 sequences. (Running on oeis4.)