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A103994 A129360 * A115361. 3
1, 1, 1, -1, 0, 1, 1, 1, 0, 1, -1, 0, 0, 0, 1, -1, -1, 1, 0, 0, 1, -1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, -1, -1, 0, 0, 1, 0, 0, 0, 0, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row sums = A104117: (1, 2, 0, 3, 0, 0, 0, 4, 0, 0,...).

LINKS

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

FORMULA

A129360 * A115361 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

1, 1;

-1, 0, 1;

1, 1, 0, 1;

-1, 0, 0, 0, 1;

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

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

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

...

CROSSREFS

Cf. A104117, A129360, A115361.

Sequence in context: A054524 A110471 A174854 * A051731 A135839 A071022

Adjacent sequences:  A103991 A103992 A103993 * A103995 A103996 A103997

KEYWORD

tabl,sign

AUTHOR

Gary W. Adamson, Apr 15 2007

STATUS

approved

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Last modified October 2 08:32 EDT 2014. Contains 247538 sequences.