A079083 Smallest odd prime factor of (prime(n)+1)*(prime(n+1)+1)/4.

3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 19, 3, 3, 3, 3, 3, 3, 17, 3, 3, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 19, 41, 3, 3, 3, 3, 3, 3, 3, 3, 5, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 17, 3, 3, 3, 3, 3, 3, 3, 3, 13, 3, 3, 3, 3, 3, 11, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 131, 137

Offset

1,1

Comments

a(n)=A078701(A079079(n)).

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Prog

(Haskell)
a079083 = a078701 . a079079  -- Reinhard Zumkeller, Oct 08 2012

Crossrefs

Cf. A079084.

Sequence in context: A243129 A135717 A335465 * A176171 A032568 A053388

Adjacent sequences: A079080 A079081 A079082 * A079084 A079085 A079086

Keyword

nonn

Author

Reinhard Zumkeller, Dec 22 2002

Status

approved