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edited Mar 18, 2023 at 0:27

Jelly, 16 bytes

ÆRḤ‘$ÆP$Ƈ’H$ÆP$Ƈ

ÆR - list of prime numbers up to the input
Ḥ‘ - 2x+1
$ÆP$Ƈ - evaluates as primes 
’H - (x-1)/2
$ÆP$Ƈ - evaluates as primes (again)

ÆRḤ‘$ÆP$Ƈ’H$ÆP$Ƈ

ÆRḤ‘$ÆP$Ƈ’H$ÆP$Ƈ

ÆR - list of prime numbers up to the input
Ḥ‘ - 2x+1
$ÆP$Ƈ - evaluates as primes 
’H - (x-1)/2
$ÆP$Ƈ - evaluates as primes (again)

answered Mar 18, 2023 at 0:19

answered Mar 18, 2023 at 0:19

ÆRḤ‘$ÆP$Ƈ’H$ÆP$Ƈ