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A078383
Sum of distinct prime factors of numbers which can be written as sum of a positive square and a positive cube.
2
2, 5, 3, 7, 5, 17, 5, 15, 9, 31, 14, 5, 37, 43, 13, 7, 15, 22, 10, 18, 19, 5, 73, 21, 7, 43, 89, 20, 7, 101, 5, 113, 63, 12, 127, 2, 46, 69, 50, 34, 39, 10, 21, 30, 43, 24, 22, 34, 62, 42, 10, 9, 197, 22, 105, 15, 38, 18, 223, 8, 115, 31, 233, 241, 46, 12, 257, 20, 16, 58, 269
OFFSET
1,1
COMMENTS
a(n)=A008472(A055394(n)).
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 25 2002
STATUS
approved