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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A156328 List of prime pairs of the form (p, p+18). 4
 5, 23, 11, 29, 13, 31, 19, 37, 23, 41, 29, 47, 41, 59, 43, 61, 53, 71, 61, 79, 71, 89, 79, 97, 83, 101, 89, 107, 109, 127, 113, 131, 131, 149, 139, 157, 149, 167, 163, 181, 173, 191, 179, 197, 181, 199, 193, 211, 211, 229, 223, 241, 233, 251, 239, 257, 251, 269, 263 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The two primes p and p+18 are not necessarily adjacent. LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA Flatten[Select[{#, # + 18} &/@Prime[Range[1000]], PrimeQ[Last[#]]&]] (* Vincenzo Librandi, Nov 01 2012 *) CROSSREFS Cf. A153418. Sequence in context: A282875 A317679 A054415 * A078190 A081319 A177242 Adjacent sequences:  A156325 A156326 A156327 * A156329 A156330 A156331 KEYWORD nonn,tabf AUTHOR Vincenzo Librandi, Feb 08 2009 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.

Last modified April 16 17:01 EDT 2021. Contains 343050 sequences. (Running on oeis4.)