cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A129572 A129372 * A097806.

Original entry on oeis.org

1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1
Offset: 1

Views

Author

Gary W. Adamson, Apr 22 2007

Keywords

Comments

Row sums = A086374: (1, 2, 3, 2, 3, 4, 3, 2, 5, 4, ...). A129573 = A097806 * A129372.

Examples

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

Crossrefs

Formula

A129372 * A097806 as infinite lower triangular matrices.