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A079091
Sum of all prime factors of (prime(n)+1)*(prime(n+1)+1)/4.
4
3, 5, 7, 9, 12, 13, 13, 14, 15, 16, 27, 29, 23, 22, 18, 19, 41, 50, 29, 47, 48, 23, 23, 25, 34, 37, 28, 27, 38, 34, 28, 42, 40, 27, 36, 102, 122, 57, 46, 45, 33, 33, 110, 114, 31, 69, 70, 39, 52, 47, 33, 36, 37, 61, 64, 32, 37, 162, 189, 123, 90, 37, 40, 177, 213, 141, 111, 60
OFFSET
1,1
COMMENTS
a(n)=A001414(A079079(n)).
LINKS
MATHEMATICA
Total[Times@@@FactorInteger[#]]&/@(Times@@(#+1)/4&/@Partition[ Prime[Range[100]], 2, 1]) (* Harvey P. Dale, May 26 2011 *)
PROG
(Haskell)
a079091 = a001414 . a079079 -- Reinhard Zumkeller, Oct 09 2012
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Dec 22 2002
STATUS
approved