The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A107637 Larger prime in pair prime(k) +/- k for some k. 1
 11, 19, 79, 223, 383, 971, 2113, 3041, 3209, 3631, 4261, 4657, 5179, 5683, 6163, 6263, 6397, 7187, 7517, 10151, 12037, 12757, 14669, 15551, 16187, 16993, 17707, 18523, 19603, 22697, 23911, 26153, 27803, 27947, 29027, 29917, 30047, 30839, 30893, 33161, 33377 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..41. FORMULA a(n) = prime(A064403(n)) + A064403(n). EXAMPLE Prime 11 is a term because 11 = prime(4)+4 and 3 = prime(4)-4 is also a prime. MATHEMATICA R=3000; L=Select[Range[R], AllTrue[Prime[#]+{#, -#}, PrimeQ]&]; Prime/@L+L (* James C. McMahon, Feb 18 2024 *) CROSSREFS Cf. A064403 (values of k), A107636 (prime(k)-k), A143794 (prime(k)). Sequence in context: A344042 A335410 A106231 * A229542 A039365 A103201 Adjacent sequences: A107634 A107635 A107636 * A107638 A107639 A107640 KEYWORD nonn AUTHOR Zak Seidov, May 19 2005 STATUS approved

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.

Last modified May 20 02:14 EDT 2024. Contains 372703 sequences. (Running on oeis4.)