A128184 A051731 * A097806.

1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 0, 0, 1, 1, 2, 2, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 2, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 2, 1, 0, 1, 1, 0, 0, 0, 1, 1

Offset

1,2

Comments

Row sums = A114003: (1, 3, 3, 5, 3, 7, 3, 7, 5, 7, ...).

Links

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

Formula

A051731 * A097806, (inverse Moebius transform of A097806).

Example

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

Crossrefs

Cf. A051731, A097806, A114003.

Sequence in context: A261013 A335106 A093518 * A373244 A025450 A139128

Adjacent sequences: A128181 A128182 A128183 * A128185 A128186 A128187

Keyword

nonn,tabl

Author

Gary W. Adamson, Feb 17 2007

Status

approved