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A078384
Sum of all prime factors of numbers which can be written as sum of a positive square and a positive cube.
2
2, 5, 6, 7, 7, 17, 9, 15, 11, 31, 14, 10, 37, 43, 15, 12, 17, 22, 13, 18, 21, 12, 73, 23, 13, 43, 89, 20, 14, 101, 13, 113, 63, 15, 127, 14, 46, 69, 50, 34, 41, 15, 25, 30, 45, 24, 25, 34, 62, 42, 16, 18, 197, 24, 105, 21, 38, 20, 223, 16, 115, 35, 233, 241, 46, 17, 257, 22
OFFSET
1,1
COMMENTS
a(n)=A001414(A055394(n)).
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 25 2002
STATUS
approved