|
| |
|
|
A031168
|
|
p(n+6)-p(n) (p()=primes).
|
|
0
| |
|
|
15, 16, 18, 22, 20, 24, 24, 24, 24, 24, 28, 24, 26, 28, 26, 26, 24, 28, 30, 30, 30, 28, 26, 24, 30, 30, 34, 32, 40, 38, 30, 32, 30, 34, 30, 30, 34, 30, 30, 26, 32, 42, 36, 36, 36, 40, 30, 28, 30, 34, 36, 32, 36, 30, 26, 30, 38, 40, 36, 36, 48, 44, 40, 38, 40, 42, 36
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
MAPLE
| ithprime(n+6)-ithprime(n);
|
|
|
MATHEMATICA
| a=6; t=Array[Prime, 123]; Drop[t, a]-Drop[t, -a] [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Aug 13 2009]
Last[#]-First[#]&/@Partition[Prime[Range[80]], 7, 1] (* From Harvey P. Dale, Jan 12 2012 *)
|
|
|
PROG
| (MAGMA) [NthPrime(n+6)-NthPrime(n): n in [1..100] ]; // Vincenzo Librandi, Apr 23 2011
|
|
|
CROSSREFS
| Sequence in context: A138598 A160661 A114841 * A108856 A039689 A063530
Adjacent sequences: A031165 A031166 A031167 * A031169 A031170 A031171
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Jeff Burch (jmburch(AT)osprey.smcm.edu)
|
|
|
EXTENSIONS
| Offset changed from 2 to 1; added a(1)=15 by Vincenzo Librandi, Apr 23 2011
|
| |
|
|
