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A055132 Moebius function (A008683) applied to each term in the triangle A055096. 2
-1, 1, -1, -1, 0, 0, 1, -1, 1, -1, -1, 0, 0, 0, -1, 0, -1, 1, 1, 1, 1, 1, 0, -1, 0, -1, 0, -1, 1, 1, 0, -1, 1, 0, -1, 1, -1, 0, -1, 0, 0, 0, -1, 0, -1, 1, 0, -1, -1, 1, -1, -1, 1, 1, 1, 1, 0, 0, 0, 0, 0, -1, 0, 0, 0, 1, -1, -1, 1, 1, 1, 1, 1, -1, 0, -1, -1, -1, -1, 0, 1, 0, 1, 0, 0, 0, -1, 0, -1, 0, 1, 1, -1, 0, -1, 0, 0, 1, 0, 0, 0, 1, 0, 1, -1 (list; table; graph; refs; listen; history; internal format)
OFFSET

1,1

MAPLE

with(numtheory, mobius); a(n) = mobius(sum2distinct_squares_array(n))

CROSSREFS

Cf. A055097.

Sequence in context: A130093 A166446 A103368 * A128408 A121802 A156241

Adjacent sequences:  A055129 A055130 A055131 * A055133 A055134 A055135

KEYWORD

sign,tabl

AUTHOR

Antti Karttunen Apr 04 2000

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Last modified February 15 23:53 EST 2012. Contains 205860 sequences.