A100301 Primes resulting from A085013.

5, 17, 107, 1367, 31397, 910457, 33686837, 1448533907, 88360568207, 6450321478967, 574078611627887, 78648769793020247, 11875964238746056997, 1983286027870591518167, 394673919546247712114837

Offset: 1

Author

Herman H. Rosenfeld (herm3(AT)pacbell.net), Dec 29 2004

Keywords

• nonn

Crossrefs

Cf. A100276. Different from A098028.

Programs

Mathematica

NextPrim[n_] := Block[{k = n + 1}, While[ ! PrimeQ[k], k++ ]; k]; a[0] = 1; a[n_] := a[n] = Block[{p = NextPrim[ a[n - 1]], q = Product[a[i], {i, 0, n - 1}]}, While[ !PrimeQ[p*q + 2], p = NextPrim[p]]; p]; Table[ Product[ a[i], {i, n}] + 2, {n, 16}] (* Robert G. Wilson v, Jan 12 2005 *)

Extensions

More terms from Robert G. Wilson v, Jan 12 2005