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A129237 A051731 * A129234. 3
1, 3, 2, 4, 0, 3, 7, 5, 0, 4, 6, 0, 0, 0, 5, 12, 6, 7, 0, 0, 6, 8, 0, 0, 0, 0, 0, 7, 15, 10, 0, 9, 0, 0, 0, 8, 13, 0, 8, 0, 0, 0, 0, 0, 9, 18, 8, 0, 0, 11, 0, 0, 0, 0, 10 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Left border = Sigma(n), A000203: (1, 3, 4, 7, 6, 12, 8,...). A129236 = Moebius transform of A129234.

LINKS

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

FORMULA

A051731 * A129234 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

3, 2;

4, 0, 3;

7, 5, 0, 4;

6, 0, 0, 0, 5;

12, 6, 7, 0, 0, 6;

8, 0, 0, 0, 0, 0, 7;

15, 10, 0, 9, 0, 0, 0, 8;

...

CROSSREFS

Cf. A129234, A129235, A129236, A054525, A051731, A000203.

Sequence in context: A070471 A070690 A160387 * A127099 A004545 A127481

Adjacent sequences:  A129234 A129235 A129236 * A129238 A129239 A129240

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Apr 05 2007

STATUS

approved

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Last modified September 23 14:18 EDT 2021. Contains 347617 sequences. (Running on oeis4.)