|
|
A156111
|
|
Primes p such that p+18 and p+144 are both prime.
|
|
1
|
|
|
5, 13, 19, 23, 29, 53, 79, 83, 89, 113, 139, 149, 163, 173, 193, 223, 239, 313, 379, 443, 449, 503, 599, 613, 643, 683, 709, 733, 739, 743, 809, 839, 919, 953, 1069, 1153, 1163, 1279, 1283, 1289, 1303, 1409, 1453, 1493, 1549, 1553, 1579, 1609, 1723, 1993, 1999
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
MATHEMATICA
|
Select[Prime[Range[2000]], And @@ PrimeQ[{# + 18, # + 144}]&] (* Vincenzo Librandi, Oct 30 2012 *)
|
|
PROG
|
(Magma) [p: p in PrimesUpTo(2000)|IsPrime(p + 18) and IsPrime (p + 144)]; // Vincenzo Librandi, Oct 30 2012
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|