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A129561 A054523 * A115369. 0
1, 0, 1, 2, 0, 1, 1, 0, 0, 1, 4, 0, 0, 0, 1, 0, 2, 0, 0, 0, 1, 6, 0, 0, 0, 0, 0, 1, 2, 1, 0, 0, 0, 0, 0, 1, 6, 0, 2, 0, 0, 0, 0, 0, 1, 0, 4, 0, 0, 0, 0, 0, 0, 0, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

Row sums = A026741: (1, 1, 3, 3, 2, 5, 3, 7, 4,...).

LINKS

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

FORMULA

A054523 * A115369 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

0, 1;

2, 0, 1;

1, 0, 0, 1;

4, 0, 0, 0, 1;

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

6, 0, 0, 0, 0, 0, 1;

...

CROSSREFS

Cf. A054523, A115369, A026741.

Sequence in context: A261812 A077266 A214302 * A259895 A276479 A067742

Adjacent sequences:  A129558 A129559 A129560 * A129562 A129563 A129564

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Apr 20 2007

STATUS

approved

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Last modified June 15 04:47 EDT 2021. Contains 345043 sequences. (Running on oeis4.)