OFFSET
1,1
COMMENTS
Jones and Zvonkin call these primes BCC primes, where BCC stands for Bujalance, Cirre, and Conder.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
E. Bujalance, F. J. Cirre, and M. D. E. Conder, Bounds on the orders of groups of automorphisms of a pseudo-real surface of given genus, Journal of the London Mathematical Society, Volume 101, Issue 2, p. 877-906, (2019).
Gareth A. Jones and Alexander K. Zvonkin, A number-theoretic problem concerning pseudo-real Riemann surfaces, arXiv:2401.00270 [math.NT], 2023. See page 1.
MATHEMATICA
Select[Prime[Range[150]], PrimeQ[f=First/@FactorInteger[#+2]] == Table[True, {j, PrimeNu[#+2]}] && Mod[f, 4] == Table[3, {m, PrimeNu[#+2]}] &]
PROG
(PARI) is1(n) = {my(p = factor(n)[, 1]); for(i = 1, #p, if(p[i] % 4 == 1, return(0))); 1; };
lista(pmax) = forprime(p = 3, pmax, if(is1(p+2), print1(p, ", "))); \\ Amiram Eldar, Jun 03 2024
CROSSREFS
KEYWORD
nonn
AUTHOR
Stefano Spezia, Jan 13 2024
STATUS
approved