login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A224855 Numbers n such that 90*n + 17 and 90*n + 19 are twin primes. 1
0, 1, 2, 9, 14, 22, 23, 25, 35, 36, 39, 46, 48, 50, 53, 55, 60, 65, 77, 79, 81, 83, 86, 93, 98, 111, 116, 130, 148, 154, 165, 168, 189, 191, 193, 196, 197, 198, 203, 210, 226, 230, 231, 232, 246, 252, 256, 263, 281, 284, 287, 301, 308, 310, 312, 314, 317, 347 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

All matching entries for A202115 and A196000 are twin primes.

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Range[0, 499], PrimeQ[90# + 17] && PrimeQ[90# + 19] &] (* Copied from: Alonso del Arte, Jul 22 2013 *)

CROSSREFS

Cf. A202115, A196000.

Sequence in context: A045920 A242466 A071344 * A254608 A324275 A106360

Adjacent sequences:  A224852 A224853 A224854 * A224856 A224857 A224858

KEYWORD

nonn

AUTHOR

J. W. Helkenberg, Jul 22 2013

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 August 2 20:38 EDT 2021. Contains 346428 sequences. (Running on oeis4.)