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!)
 A078946 Primes p such that p, p+2, p+6, p+12 and p+14 are consecutive primes. 31
 17, 227, 1277, 1607, 3527, 3917, 4637, 4787, 27737, 38447, 39227, 44267, 71327, 97367, 99707, 113147, 122027, 122387, 124337, 165707, 183497, 187127, 191447, 197957, 198827, 275447, 290657, 312197, 317957, 347057, 349397, 416387, 418337 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Subsequence of A078847. - R. J. Mathar, Feb 10 2013 LINKS T. D. Noe, Table of n, a(n) for n = 1..1000 Eric Weisstein's World of Mathematics, Prime Triplet. EXAMPLE 227 is in the sequence since 227, 229, 233, 239 and 241 are consecutive primes. MATHEMATICA Rest@ Select[Prime@ Range@ 36000, AllTrue[{2, 6, 12, 14} + #, PrimeQ] &] (* Michael De Vlieger, Apr 18 2015, Version 10 *) PROG (PARI) isok(p) = isprime(p) && (nextprime(p+1)==p+2) && (nextprime(p+3)== p+6) && (nextprime(p+7)==p+12) && (nextprime(p+13)==p+14); \\ Michel Marcus, Dec 10 2013 (MAGMA) [p: p in PrimesInInterval(7, 1000000) | forall{i: i in [2, 6, 12, 14] | IsPrime(p+i)}]; // Vincenzo Librandi, Apr 19 2015 CROSSREFS Subsequence of A128468. Cf. A001223, A078866, A078867, A078947-A078971, A022006, A022007. Sequence in context: A296999 A140842 A087608 * A164600 A187636 A152588 Adjacent sequences:  A078943 A078944 A078945 * A078947 A078948 A078949 KEYWORD nonn AUTHOR Labos Elemer, Dec 19 2002 EXTENSIONS Edited by Dean Hickerson, Dec 20 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified May 12 11:55 EDT 2021. Contains 343821 sequences. (Running on oeis4.)