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A127948 Triangle, A004736 * A127899. 0
1, 0, 2, -1, 1, 3, -2, 0, 2, 4, -3, -1, 1, 3, 5, -4, -2, 0, 2, 4, 6, -5, -3, -1, 1, 3, 5, 7, -6, -4, -2, 0, 2, 4, 6, 8, -7, -5, -3, -1, 1, 3, 5, 7, 9, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,3

COMMENTS

Row sums = n A127899 * A004736 = A002024

FORMULA

A004736 * A127899 as infinite lower triangular matrices; where A004736 = (1; 2,1; 3,2,1;...).

EXAMPLE

First few rows of the triangle are:

1;

0, 2;

-1, 1, 3;

-2, 0, 2, 4;

-3, -1, 1, 3, 5;

-4, -2, 0, 2, 4, 6;

-5, -3, -1, 1, 3, 5, 7;

...

CROSSREFS

Cf. A127899, A004736, A002024.

Sequence in context: A192181 A073463 A183568 * A177350 A190688 A145975

Adjacent sequences:  A127945 A127946 A127947 * A127949 A127950 A127951

KEYWORD

tabl,sign

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Feb 09 2007

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Last modified February 14 07:54 EST 2012. Contains 205599 sequences.