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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n)=A001414(A055394(n)).

LINKS

Table of n, a(n) for n=1..68.

CROSSREFS

Cf. A078383, A078382, A078378.

Sequence in context: A262368 A198547 A120678 * A057544 A039239 A039182

Adjacent sequences:  A078381 A078382 A078383 * A078385 A078386 A078387

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Nov 25 2002

STATUS

approved

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Last modified January 23 10:36 EST 2020. Contains 331171 sequences. (Running on oeis4.)