|
|
A156112
|
|
Primes p such that p+36 and p+72 are both prime.
|
|
3
|
|
|
7, 11, 17, 31, 37, 67, 101, 127, 157, 191, 197, 241, 277, 281, 311, 317, 337, 347, 431, 521, 541, 571, 647, 751, 787, 911, 941, 947, 977, 997, 1051, 1151, 1187, 1451, 1487, 1621, 1627, 1877, 2017, 2027, 2237, 2311, 2467, 2521, 2621, 2647, 2657, 2677, 2731
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
A156105 INTERSECT A156104. [R. J. Mathar, Feb 09 2009]
|
|
LINKS
|
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
|
|
MATHEMATICA
|
Select[Prime[Range[3000]], And @@ PrimeQ[{# + 36, # + 72}]&] (* Vincenzo Librandi, Oct 31 2012 *)
|
|
PROG
|
(Magma) [p: p in PrimesUpTo(3000)|IsPrime(p + 36) and IsPrime (p + 72)]; // Vincenzo Librandi, Oct 31 2012
|
|
CROSSREFS
|
Cf. A156104, A156105.
Sequence in context: A320384 A019418 A068674 * A158594 A215419 A107642
Adjacent sequences: A156109 A156110 A156111 * A156113 A156114 A156115
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
Vincenzo Librandi, Feb 08 2009
|
|
EXTENSIONS
|
More terms from R. J. Mathar, Feb 09 2009
|
|
STATUS
|
approved
|
|
|
|