A128980 A054525 * A129691(unsigned).

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

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:
  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;
  ...

Crossrefs

Cf. A054525, A129691, A070777, A054523.

Sequence in context: A204060 A359780 A085393 * A143276 A096693 A193139

Adjacent sequences: A128977 A128978 A128979 * A128981 A128982 A128983

Keyword

nonn,tabl

Author

Gary W. Adamson, Apr 29 2007

Status

approved