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A128980

1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 3, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 5, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 3, 0, 0, 0, 0, 0, 0, 0, 1

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OFFSET

1,11

COMMENTS

Row sums = A070777: (1, 1, 2, 1, 4, 2, 6, 1, 2, 4, ...). A129691 = the unsigned inverse of A054523.

LINKS

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

FORMULA

Moebius transform of A129691

EXAMPLE

First few rows of the triangle:

0, 1;

1, 0, 1;

0, 0, 0, 1;

3, 0, 0, 0, 1;

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

5, 0, 0, 0, 0, 0, 1;

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

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

...

CROSSREFS

Cf. A054525, A129691, A070777, A054523.

Sequence in context: A359780 A085393 A380868 * A143276 A096693 A193139

Adjacent sequences: A128977 A128978 A128979 * A128981 A128982 A128983

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Apr 29 2007

STATUS

approved

URL: https://oeis.org/A128980

⇱ A128980 - OEIS