OFFSET
1,1
LINKS
Robert Price, Table of n, a(n) for n = 1..5000
MATHEMATICA
PROG
(PARI) a(n) = my(k=1); while (!isprime(8*n*k+1), k++); k; \\ Michel Marcus, Dec 17 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert Price, Dec 17 2023
STATUS
approved