A130314 - OEIS

A130314

A051731 * A126705.

1, 3, 1, 4, 1, 1, 7, 2, 1, 1, 7, 1, 0, 1, 1, 12, 4, 2, 0, 1, 1, 9, 2, 1, 0, 0, 1, 1, 17, 4, 1, 2, 0, 0, 1, 1, 14, 3, 3, 1, 0, 0, 0, 1, 1, 19, 6, 2, 1, 2, 0, 0, 0, 1, 1

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Row sums = A129235: (1, 4, 6, 11, 10, 20, ...).

LINKS

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

FORMULA

Inverse Moebius transform of A126075.

EXAMPLE

First few rows of the triangle:

3, 1;

4, 1, 1;

7, 2, 1, 1;

7, 1, 0, 1, 1;

12, 4, 2, 0, 1, 1;

...

CROSSREFS

Cf. A051731, A126705, A129235.

Sequence in context: A109411 A302240 A130307 * A334466 A127057 A143355

Adjacent sequences: A130311 A130312 A130313 * A130315 A130316 A130317

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, May 21 2007

STATUS

approved