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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A174293 A118860/210. 1
104610, 179401, 389882, 1697463, 1981773, 3574584, 4797113, 5476524, 7553676, 9352165, 14891292, 17474136, 20847121, 20874005, 26548016, 27080647, 27182947, 35072545, 35611783, 36576410, 40256489, 42374708, 51527038, 53528510, 55871968, 56270421, 57824688 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Are all terms composite?

LINKS

Table of n, a(n) for n=1..27.

CROSSREFS

Cf. A118860 Numbers n such that n-/+1, 2n-/+1, 3n-/+1, 4n-/+1 are all primes.

Sequence in context: A249528 A233857 A106024 * A186877 A304283 A138165

Adjacent sequences:  A174290 A174291 A174292 * A174294 A174295 A174296

KEYWORD

nonn

AUTHOR

Zak Seidov, Nov 27 2010

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 19 04:52 EDT 2019. Contains 327187 sequences. (Running on oeis4.)