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A079087 Maximal exponent in prime factorization of (prime(n)+1)*(prime(n+1)+1)/4. 1
1, 1, 2, 3, 1, 2, 2, 3, 2, 4, 4, 1, 1, 4, 4, 4, 1, 1, 3, 2, 3, 4, 3, 2, 2, 2, 3, 3, 1, 6, 7, 2, 1, 3, 2, 2, 1, 3, 2, 3, 2, 5, 5, 2, 2, 3, 5, 5, 1, 2, 3, 3, 2, 3, 2, 4, 3, 3, 1, 1, 2, 3, 3, 2, 1, 1, 2, 2, 2, 2, 3, 5, 3, 1, 7, 6, 1, 1, 1, 2, 1, 3, 3, 2, 3, 3, 2, 1, 3, 4, 5, 6, 3, 3, 3, 3, 3, 2, 1, 1, 2, 3, 2, 1, 2 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

COMMENTS

a(n)=A051903(A079079(n)).

MATHEMATICA

With[{pms=Times@@#/4&/@Partition[Prime[Range[110]]+1, 2, 1]}, Max[ Transpose[ FactorInteger[#]][[2]]]&/@pms] (* From Harvey P. Dale, Nov 10 2011 *)

CROSSREFS

Cf. A079085.

Sequence in context: A194298 A194306 A121884 * A205003 A159956 A053839

Adjacent sequences:  A079084 A079085 A079086 * A079088 A079089 A079090

KEYWORD

nonn,nice

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Dec 22 2002

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Last modified February 13 10:09 EST 2012. Contains 205451 sequences.