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A127479 Triangle read by rows: A054522 * A054521 as infinite lower triangular matrices. 0
1, 2, 0, 3, 2, 0, 4, 0, 2, 0, 5, 4, 4, 4, 0, 6, 2, 0, 0, 2, 0, 7, 6, 6, 6, 6, 6, 0, 8, 0, 6, 0, 4, 0, 4, 0, 9, 8, 0, 6, 6, 0, 6, 6, 0, 10, 4, 8, 4, 0, 0, 4, 0, 4, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row sums = A029939: (1, 2, 5, 6, 17, 10, 37,...)

LINKS

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

EXAMPLE

First few rows of the triangle are:

1;

2, 0;

3, 2, 0;

4, 0, 2, 0;

5, 4, 4, 4, 0;

6, 2, 0, 0, 2, 0;

7, 6, 6, 6, 6, 6, 0;

8, 0, 6, 0, 4, 0, 4, 0;

...

CROSSREFS

Cf. A029939, A054522, A054521.

Sequence in context: A035159 A103489 A213944 * A284124 A187637 A338737

Adjacent sequences:  A127476 A127477 A127478 * A127480 A127481 A127482

KEYWORD

nonn,tabl,more

AUTHOR

Gary W. Adamson, Jan 15 2007

EXTENSIONS

Edited by N. J. A. Sloane, Aug 10 2019

STATUS

approved

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Last modified April 14 00:02 EDT 2021. Contains 342941 sequences. (Running on oeis4.)