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A079083
Smallest odd prime factor of (prime(n)+1)*(prime(n+1)+1)/4.
2
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
PROG
(Haskell)
a079083 = a078701 . a079079 -- Reinhard Zumkeller, Oct 08 2012
CROSSREFS
Cf. A079084.
Sequence in context: A243129 A135717 A335465 * A176171 A032568 A053388
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Dec 22 2002
STATUS
approved