A343778 Primes which are two greater than A074040 terms.

17, 21800053277, 86984485062381462583582279727, 2948338207972508983453357158259221375675126583677039825367935271466652794027

Offset

1,1

Comments

a(5) = 3052230...330677 has 17332 digits, the only prime larger than a(4) and among the cumulative products of the first 2000 twin primes pairs plus two.

Links

Table of n, a(n) for n=1..4.

Example

a(1) = 17 = A074040(1) + 2 = 3*5 + 2.

Mathematica

(* function a074040[ ] is defined in A074040 *)
a343778[n_] := Select[Map[#+2&, a074040[n]], PrimeQ]
a343778[30]

Crossrefs

Cf. A037074, A077800, A074040, A097490, A097491, A097493.

Sequence in context: A178716 A013882 A346997 * A271562 A157255 A114432

Adjacent sequences: A343775 A343776 A343777 * A343779 A343780 A343781

Keyword

nonn

Author

Hartmut F. W. Hoft, Apr 29 2021

Status

approved