login
A342183
Primes q such that 15*q-2 and 15*q+2 are cousin primes.
2
3, 7, 11, 13, 31, 41, 43, 59, 73, 113, 139, 179, 197, 211, 223, 241, 263, 277, 349, 367, 449, 563, 587, 631, 659, 683, 739, 773, 823, 829, 977, 1033, 1049, 1217, 1471, 1487, 1553, 1571, 1583, 1607, 1609, 1669, 1697, 1753, 1901, 1907, 2089, 2111, 2281, 2531
OFFSET
1,1
COMMENTS
A pair of cousin primes are primes of the form p and p+4 (where p+2 may or may not be a prime).
Generates cousin primes such that the last digit of the primes are 3 and 7 in base 10.
PROG
(PARI) isok(p) = isprime(p) && isprime(15*p-2) && isprime(15*p+2); \\ Michel Marcus, Mar 05 2021
CROSSREFS
KEYWORD
nonn
AUTHOR
Tamas Nagy, Mar 04 2021
STATUS
approved