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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 (list; graph; refs; listen; history; text; internal format)
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: A175797 A243129 A135717 * A176171 A032568 A053388

Adjacent sequences:  A079080 A079081 A079082 * A079084 A079085 A079086

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Dec 22 2002

STATUS

approved

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Last modified May 26 02:56 EDT 2020. Contains 334613 sequences. (Running on oeis4.)