login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A176985
Primes p such that sum of digits + 5 is prime.
2
2, 11, 17, 53, 59, 71, 101, 107, 149, 167, 233, 239, 251, 257, 293, 347, 383, 419, 431, 491, 503, 509, 521, 563, 617, 653, 701, 743, 761, 941, 1049, 1061, 1151, 1193, 1223, 1229, 1283, 1319, 1373, 1409, 1427, 1481, 1511, 1553, 1571, 1601, 1607, 1733
OFFSET
1,1
LINKS
MATHEMATICA
Select[Prime[Range[2000]], PrimeQ[Plus@@IntegerDigits[#] + 5] &] (* Vincenzo Librandi, Feb 15 2014 *)
PROG
(Magma) [p: p in PrimesUpTo(1500) | IsPrime(q) where q is 5+&+Intseq(p)]; // Vincenzo Librandi, Jun 07 2014
CROSSREFS
Cf. similar sequences listed in A243586.
Sequence in context: A187762 A217306 A106981 * A089592 A106982 A347600
KEYWORD
nonn,base
AUTHOR
Vincenzo Librandi, Apr 30 2010
STATUS
approved