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.

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A130305 Triangle read by rows: A007318 * A130304 as infinite lower triangular matrices.

Original entry on oeis.org

1, 2, 1, 3, 3, 1, 4, 6, 4, 1, 6, 10, 10, 5, 1, 12, 16, 20, 15, 6, 1, 28, 28, 36, 35, 21, 7, 1, 64, 56, 64, 71, 56, 28, 8, 1, 136, 120, 120, 135, 127, 84, 36, 9, 1, 272, 256, 240, 255, 262, 211, 120, 45, 10, 1
Offset: 1

Views

Author

Gary W. Adamson, May 20 2007

Keywords

Examples

			First few rows of the triangle:
   1;
   2,  1;
   3,  3,  1;
   4,  6,  4,  1;
   6, 10, 10,  5,  1;
  12, 16, 20, 15,  6,  1;
  28, 28, 36, 35, 21,  7,  1;
  ...
		

Crossrefs

Cf. A007318, A038504 (left column), A130304.

Formula

Binomial transform of A130304.
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