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.

A134233 (A007318 * A134082 + A134082 * A007318) - A007318 as infinite lower triangular matrices.

Original entry on oeis.org

1, 5, 1, 9, 10, 1, 13, 27, 15, 1, 17, 52, 54, 20, 1, 21, 85, 130, 90, 25, 25, 126, 255, 260, 135, 30, 1, 29, 175, 441, 595, 455, 189, 35, 33, 232, 700, 1176, 1190, 728, 252, 40, 1, 37, 297, 1044, 2100, 2646, 2142, 1092, 324, 45, 1
Offset: 0

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Author

Gary W. Adamson, Oct 14 2007

Keywords

Comments

Row sums = A014480: (1, 6, 20, 56, 144, 352, ...).
Also 2*A134083-A007318 as infinite lower triangular matrices. - Philippe Deléham, Oct 15 2007

Examples

			First few rows of the triangle:
   1;
   5,   1;
   9,  10,   1;
  13,  27,  15,   1;
  17,  52,  54,  20,   1;
  21,  85, 130,  90,  25,   1;
  ...
		

Crossrefs