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A129501 A103994 * A115361. +0
2
1, 2, 1, -1, 0, 1, 3, 2, 0, 1, -1, 0, 0, 0, 1, -2, -1, 2, 0, 0, 1, -1, 0, 0, 0, 0, 0, 1, 4, 3, 0, 2, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, -2, -1, 0, 0, 2, 0, 0, 0, 0, 1 (list; table; graph; listen)
OFFSET

1,2

COMMENT

Row sums = A129502: (1, 3, 0, 6, 0, 0, 0, 10, 0, 0,...). Left column = the ruler sequence, A001511, signed.

FORMULA

A103994 * A115361 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

2, 1;

-1, 0, 1;

3, 2, 0, 1;

-1, 0, 0, 0, 1;

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

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

4, 3, 0, 2, 0, 0, 0, 1;

...

CROSSREFS

Cf. A103994, A115361, A129360, A000217, A129502, A001511.

Sequence in context: A027052 A131257 A105806 this_sequence A092921 A029387 A070878

Adjacent sequences: A129498 A129499 A129500 this_sequence A129502 A129503 A129504

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Apr 17 2007

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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