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

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