A129569 A129360 * A128174.

1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1

Offset

1,1

Comments

Row sums = A055034: (1, 1, 1, 2, 2, 2, 3, 4, 3, 4, ...).

Links

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

Formula

A129360 * A128174 as infinite lower triangular matrices.

Example

First few rows of the triangle:
  1;
  0, 1;
  0, 0, 1;
  0, 1, 0, 1;
  0, 0, 1, 0, 1;
  0, 0, 0, 1, 0, 1;
  0, 0, 1, 0, 1, 0, 1;
  ...

Crossrefs

Cf. A129360, A128174, A055034.

Sequence in context: A105385 A190227 A090626 * A266611 A286752 A320167

Adjacent sequences: A129566 A129567 A129568 * A129570 A129571 A129572

Keyword

nonn,tabl

Author

Gary W. Adamson, Apr 22 2007

Status

approved