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A267455 Primes which are a square (mod 39). 2
3, 13, 43, 61, 79, 103, 127, 139, 157, 181, 199, 211, 277, 283, 313, 337, 367, 373, 433, 439, 523, 547, 571, 601, 607, 673, 727, 751, 757, 823, 829, 859, 883, 907, 919, 937, 991, 997, 1039, 1063, 1069, 1093, 1117, 1153, 1171, 1213, 1231, 1249, 1291, 1297, 1303, 1327, 1381, 1429, 1447, 1453, 1459, 1483 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Motivated by the former (incorrect) definition of A191029.
Also, primes p which have Legendre symbols (p|3) = (p|13) = 1, together with 3 and 13.
LINKS
PROG
(PARI) select(p->issquare(Mod(p, 39))&&isprime(p), [1..1000])
CROSSREFS
Sequence in context: A041499 A093923 A163182 * A138249 A181604 A084476
KEYWORD
nonn,easy
AUTHOR
M. F. Hasler, Jan 15 2016
STATUS
approved

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Last modified March 29 09:32 EDT 2024. Contains 371268 sequences. (Running on oeis4.)