The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A076298 Prime(n)+ s*n is prime, s=3. 5
 1, 4, 6, 8, 10, 12, 16, 20, 26, 28, 32, 34, 38, 40, 42, 46, 48, 50, 56, 60, 62, 64, 68, 78, 86, 90, 94, 102, 104, 120, 122, 128, 130, 138, 140, 144, 146, 148, 162, 166, 170, 180, 182, 186, 190, 200, 204, 208, 214, 230, 238, 244, 246, 250, 252, 254, 260, 270, 282 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS See also A064402 (s=1), A076297 (s=2), A076299 (s=4), A076300 (s=5). LINKS G. C. Greubel, Table of n, a(n) for n = 1..10000 EXAMPLE 4 is OK because p(4) + 3*4 = 7 + 12 = 19 is prime. MATHEMATICA Select[Range[300], PrimeQ[3#+Prime[#]]&] (* Harvey P. Dale, Sep 06 2012 *) PROG (Magma) [n: n in [0..500]| IsPrime(NthPrime(n) +3*n)]; // G. C. Greubel, May 04 2018 (PARI) select(x->isprime(x), vector(500, n, prime(n) + 3*n), 1) \\ G. C. Greubel, May 04 2018 CROSSREFS Cf. A064402, A076297, A076299, A076300. Sequence in context: A075027 A309837 A310659 * A194579 A194594 A163248 Adjacent sequences: A076295 A076296 A076297 * A076299 A076300 A076301 KEYWORD nonn AUTHOR Zak Seidov, Oct 05 2002 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 August 14 03:23 EDT 2024. Contains 375146 sequences. (Running on oeis4.)