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A079087 Maximal exponent in prime factorization of (prime(n)+1)*(prime(n+1)+1)/4. 2

%I #14 May 28 2024 10:27:02

%S 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,

%T 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,

%U 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

%N Maximal exponent in prime factorization of (prime(n)+1)*(prime(n+1)+1)/4.

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

%H Reinhard Zumkeller, <a href="/A079087/b079087.txt">Table of n, a(n) for n = 1..10000</a>

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

%o (Haskell)

%o a079087 = a051903 . a079079 -- _Reinhard Zumkeller_, Oct 08 2012

%Y Cf. A079085.

%K nonn,nice

%O 1,3

%A _Reinhard Zumkeller_, Dec 22 2002

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Last modified July 16 01:40 EDT 2024. Contains 374343 sequences. (Running on oeis4.)