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A128430 Triangle read by rows: A054524 * A000012. 0
1, 0, -1, 0, -1, -1, 0, -1, 0, 0, 0, -1, -1, -1, -1, 0, -1, 0, 1, 1, 1, 0, -1, -1, -1, -1, -1, -1, 0, -1, 0, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 1, 1, 1, 1, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Right border = mu(n), A008683. Row sums = A023900: (1, -1, -2, -1, -4, 2, -6, -1,...). A054524 = A051731 * A128407

LINKS

Table of n, a(n) for n=1..55.

FORMULA

A054524 * A000012 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

0, -1;

0, -1, -1;

0, -1, 0, 0;

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

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

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

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

...

CROSSREFS

Cf. A054524, A000012, A051731, A128407, A008683, A023900.

Sequence in context: A155031 A155029 A134540 * A176330 A177990 A113704

Adjacent sequences:  A128427 A128428 A128429 * A128431 A128432 A128433

KEYWORD

tabl,sign

AUTHOR

Gary W. Adamson, Mar 02 2007

STATUS

approved

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Last modified September 23 17:38 EDT 2017. Contains 292362 sequences.