A030641 -id:A030641 - cp's OEIS frontend

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A030642 Product of next 2 primes.

Original entry on oeis.org

2, 15, 323, 111547, 12449873237, 154999344563559225589, 24024796815132956872884975543558130445497

Offset: 1

N. J. A. Sloane

nonn

Cf. A000040, A030641.

A030642 := proc(n)
    option remember ;
    if n = 1 then
        2;
    else
        A030661(procname(n-1)) ;
    end if;
end proc:
seq(A030642(n),n=1..6) ;  R. J. Mathar, Aug 09 2019

NestList[NextPrime[#] NextPrime[NextPrime[#]]&,2,10] (* Harvey P. Dale, Jul 26 2017 *)

a(n) = A030661(a(n-1)). - R. J. Mathar, Aug 09 2019

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