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A243630
Primes p such that 2*p^3 - 3 is also prime.
2
2, 7, 11, 13, 47, 101, 107, 151, 163, 167, 251, 257, 401, 443, 467, 521, 571, 641, 653, 673, 797, 907, 911, 971, 983, 997, 1013, 1151, 1153, 1181, 1187, 1223, 1231, 1277, 1291, 1303, 1361, 1433, 1481, 1511, 1597, 1637, 1723, 1741, 1811, 1951, 2027, 2081, 2083, 2141, 2287, 2311
OFFSET
1,1
LINKS
MATHEMATICA
Select[Prime[Range[2500]], PrimeQ[2 #^3 - 3] &]
PROG
(Magma) [p: p in PrimesUpTo(2500) | IsPrime(2*p^3 - 3)];
CROSSREFS
KEYWORD
nonn,easy,less
AUTHOR
Vincenzo Librandi, Jun 08 2014
STATUS
approved