A128521 A128174 * A054525 * A000012.

1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 2, 2, 1, 1, 0, 0, 1, 2, 1, 1, 1, 3, 3, 2, 2, 1, 1, 0, 0, 1, 2, 2, 2, 1, 1, 1, 3, 3, 3, 3, 2, 2, 1, 1, 0, -1, 1, 2, 2, 3, 2, 2, 1, 1

Offset

1,12

Comments

Row sums = A106477: (1, 1, 3, 3, 7, 5, 13, 9, 19, 13, ...). A128522 = A054525 * A128174 * A000012.

Links

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

Formula

A128174 * A054525 * A000012 as infinite lower triangular matrices.

Example

First few rows of the triangle:
  1;
  0, 1;
  1, 1, 1;
  0, 1, 1, 1;
  1, 2, 2, 1, 1;
  0, 0, 1, 2, 1, 1;
  1, 3, 3, 2, 2, 1, 1;
  0, 0, 1, 2, 2, 2, 1, 1;
  ...

Crossrefs

Cf. A128174, A054525, A000012, A106477, A128522.

Sequence in context: A359217 A359216 A274370 * A090477 A349802 A368753

Adjacent sequences: A128518 A128519 A128520 * A128522 A128523 A128524

Keyword

tabl,sign

Author

Gary W. Adamson, Mar 07 2007

Status

approved