A128184 -id:A128184 - cp's OEIS frontend

A128185 A097806 * A051731.

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

Offset: 1

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Gary W. Adamson, Feb 17 2007

nonn
tabl

A128184 = A051731 * A097806 Row sums = 1, 3, 4, 5, 5, 6, 6, 6, 7, 7, ... (the first 10 terms of A108852).

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

Cf. A128184, A097806, A051731, A108852.

A097806 * A051731 as infinite lower triangular matrices.

cp's OEIS Frontend

A128185 A097806 * A051731.

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