OFFSET
1,1
COMMENTS
This is in the family of sequences fp(j,m)=prime(1)//m//prime(2)//m//prime(3)//...//m//prime(j), of which A032711 = fp(2,m) is a simplest type.
EXAMPLE
96 is in the sequence because fp(50,k)=2//k//3//k//5//k//7//k//11//k//13...//k//229 fp(50,96)=296396596...22796229 is prime.
fp(50,96) is prime number with 219 digits.
MATHEMATICA
Select[Range[16100], PrimeQ[FromDigits[Flatten[IntegerDigits/@ Riffle[ Prime[ Range[ 50]], #]]]]&] (* Harvey P. Dale, Jan 07 2021 *)
CROSSREFS
KEYWORD
easy,nonn,base
AUTHOR
Farideh Firoozbakht, Jun 19 2003
STATUS
approved