A130026 -id:A130026 - cp's OEIS frontend

A130027 A130026 * A054525.

1, 1, 1, 2, 0, 1, 1, 2, 0, 1, 4, 0, 0, 0, 1, -2, 4, 3, 0, 0, 1, 6, 0, 0, 0, 0, 0, 1, 1, 2, 0, 4, 0, 0, 0, 1, 2, 0, 6, 0, 0, 0, 0, 0, 1, -4, 8, 0, 0, 5, 0, 0, 0, 0, 1

Offset: 1

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Gary W. Adamson, May 02 2007

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Row sums = (1, 2, 3, ...). Left column = signed version of A070777.

			First few rows of the triangle:
   1;
   1, 1;
   2, 0, 1;
   1, 2, 0, 1;
   4, 0, 0, 0, 1;
  -2, 4, 3, 0, 0, 1;
   6, 0, 0, 0, 0, 0, 1;
   1, 2, 0, 4, 0, 0, 0, 1;
  ...

Cf. A130027, A070777.

A130026 * A054525 as infinite lower triangular matrices.

cp's OEIS Frontend

A130027 A130026 * A054525.

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