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A127442 Triangle read by rows: row n consists of 1 followed by initial n-1 terms of A127440. +0
2
1, 1, -2, 1, -2, 0, 1, -2, 0, 1, 1, -2, 0, 1, -1, 1, -2, 0, 1, -1, 2, 1, -2, 0, 1, -1, 2, -2, 1, -2, 0, 1, -1, 2, -2, 1, 1, -2, 0, 1, -1, 2, -2, 1, 0, 1, -2, 0, 1, -1, 2, -2, 1, 0, 1, 1, -2, 0, 1, -1, 2, -2, 1, 0, 1, -2, 1 (list; table; graph; listen)
OFFSET

1,3

COMMENT

Row sums = mu(n), A008683.

EXAMPLE

Triangle begins:

1

1 -2,

1 -2, 0,

1 -2, 0, 1,

1 -2, 0, 1, -1,

1 -2, 0, 1, -1, 2,

1 -2, 0, 1, -1, 2, -2,

1 -2, 0, 1, -1, 2, -2, 1,

1 -2, 0, 1, -1, 2, -2, 1, 0,

1 -2, 0, 1, -1, 2, -2, 1, 0, 1,

1 -2, 0, 1, -1, 2, -2, 1, 0, 1, -2,

CROSSREFS

Cf. A127440 = (1, -2, 0, 1, -1, 2, -2, ...) = first differences of mu(n), A008683

Cf. A008683.

Sequence in context: A140083 A057985 A135387 this_sequence A115628 A114002 A114004

Adjacent sequences: A127439 A127440 A127441 this_sequence A127443 A127444 A127445

KEYWORD

tabl,sign

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 14 2007

EXTENSIONS

One term corrected by T. D. Noe, Feb 08 2007

Edited, corrected and extended by N. J. A. Sloane (njas(AT)research.att.com), Mar 01 2007

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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