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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
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
KEYWORD
nonn
AUTHOR
Zak Seidov, May 19 2005
STATUS
approved

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