A078387 - OEIS

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A078387

Moebius's mu of numbers which can be written as sum of a positive square and a positive cube.

-1, -1, 0, 1, 0, -1, 0, 1, 0, -1, 1, 0, -1, -1, 0, 0, 0, 1, 0, 1, 0, 0, -1, 0, 0, 1, -1, 1, 0, -1, 0, -1, 1, 0, -1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, -1, 0, -1, 1, 1, 0, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, -1, -1, -1, 0, -1, 0, 0, 1, -1, 0, -1, 0, -1, 0, 0, 0, 0, 1, 0, 0, -1, 0, -1, 0, 0, 0, -1, -1, 0, 1, 0, 0, -1, 1, -1

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

OFFSET

1,1

COMMENTS

a(n) = A008683(A055394(n)).

LINKS

Table of n, a(n) for n=1..97.

CROSSREFS

Cf. A078386.

Sequence in context: A135528 A163805 A267015 * A189292 A331168 A331281

Adjacent sequences: A078384 A078385 A078386 * A078388 A078389 A078390

KEYWORD

sign

AUTHOR

Reinhard Zumkeller, Nov 25 2002

STATUS

approved