A046972 Primes arising in A046966.

2, 3, 7, 31, 181, 1621, 19441, 311041, 6842881, 171072001, 4961088001, 153793728001, 5382780480001, 252990682560001, 14420468905920001, 879648603261120001, 58056807815233920001, 4586487817403479680001, 371505513209681854080001, 40122595426645640240640001

Offset: 1

Author

G. L. Honaker, Jr.

Keywords

• nonn
• nice

Links

• Amiram Eldar, Table of n, a(n) for n = 1..282 (terms 1..100 from T. D. Noe)

Crossrefs

Cf. A046966.

Cf. A144717, A144718, A144722, A144723, A144724, A144725, A144726, A144727, A144728, A144729, A144730, A144731. [Artur Jasinski, Sep 19 2008]

Programs

Mathematica

k = 1; a = {}; Do[If[PrimeQ[k n + 1], k = k n; AppendTo[a, k + 1]], {n, 1, 1000}]; a (* Artur Jasinski, Sep 19 2008 *)