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A255513
Numbers k such that 24*k+13, 72*k+37 and 192*k+97 are all prime.
2
0, 42, 50, 60, 70, 92, 101, 116, 127, 232, 255, 305, 317, 345, 415, 435, 456, 492, 501, 521, 570, 605, 616, 710, 752, 757, 801, 827, 891, 906, 932, 1051, 1080, 1127, 1141, 1190, 1232, 1281, 1285, 1331, 1347, 1366, 1376, 1387, 1540, 1585, 1647, 1662, 1676
OFFSET
1,2
MATHEMATICA
Select[Range[0, 1700], PrimeQ[24 # + 13] && PrimeQ[72 # + 37] && PrimeQ[192 # + 97] &]
PROG
(Magma) [n: n in [0..1700] | IsPrime(24*n+13) and IsPrime(72*n+37) and IsPrime(192*n+97)];
(PARI) is(k) = isprime(24*k + 13) && isprime(72*k + 37) && isprime(192*k + 97); \\ Amiram Eldar, Apr 24 2024
CROSSREFS
Cf. A255514 (Carmichael numbers of the form (24*k+13)*(72*k+37)*(192*k+97)).
Sequence in context: A124189 A249043 A063998 * A186456 A181647 A105346
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Feb 25 2015
EXTENSIONS
Corrected and extended by Bruno Berselli, Feb 25 2015
STATUS
approved