OFFSET
1,1
COMMENTS
A028876 with common factor 2 removed.
LINKS
Jianing Song, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[Range[200], PrimeQ[4*#^2 - 5] &]
PROG
(PARI) isA352804(n)=isprime(4*n^2-5)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Jianing Song, Apr 04 2022
STATUS
approved