This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A031936 Lower prime of a difference of 18 between consecutive primes. 12
 523, 1069, 1259, 1381, 1759, 1913, 2161, 2503, 2861, 3803, 3889, 4159, 4373, 4423, 4463, 4603, 4703, 4733, 5059, 5209, 5483, 6011, 6229, 6451, 6529, 6581, 6619, 7159, 7351, 7393, 7433, 7459, 7621, 7883, 8191, 8761, 9109, 9293, 9749 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Subsequence of A153418: a(1)=523=A153418(46), a(2)=1069=A153418(80), etc. - Zak Seidov, Sep 13 2015 No terms are congruent to 7 mod 10. - Michel Marcus, Sep 14 2015 LINKS Charles R Greathouse IV, Table of n, a(n) for n = 1..10000 MATHEMATICA Transpose[Select[Partition[Prime[Range[1300]], 2, 1], Last[#] - First[#] == 18 &]][[1]] (* Bruno Berselli, Apr 09 2013 *) PROG (MAGMA) [p: p in PrimesUpTo(10000) | NextPrime(p)-p eq 18]; // Bruno Berselli, Apr 09 2013 (PARI) isok(p) = isprime(p) && (nextprime(p+1) == p+18); \\ Michel Marcus, Sep 14 2015 CROSSREFS Cf. A153418. Sequence in context: A124587 A095651 A117838 * A066540 A209875 A080912 Adjacent sequences:  A031933 A031934 A031935 * A031937 A031938 A031939 KEYWORD nonn AUTHOR 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 October 15 07:56 EDT 2019. Contains 328026 sequences. (Running on oeis4.)