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.

A131953 A130321 + A059268 - A000012(signed).

Original entry on oeis.org

1, 4, 2, 4, 5, 4, 10, 5, 7, 8, 16, 11, 7, 11, 16, 34, 17, 13, 11, 19, 32, 64, 35, 19, 17, 19, 35, 64, 130, 65, 37, 23, 25, 35, 67, 128, 256, 131, 67, 41, 31, 41, 67, 131, 256, 514, 257, 133, 71, 49, 47, 73, 131, 259, 512
Offset: 0

Views

Author

Gary W. Adamson, Jul 30 2007

Keywords

Comments

Row sums = A101622 starting (1, 6, 13, 30, 61, 126, ...).

Examples

			First few rows of the triangle:
   1;
   4,  2;
   4,  5,  4;
  10,  5,  7,  8;
  16, 11,  7, 11, 16;
  34, 17, 13, 11, 19, 32;
  64, 35, 19, 17, 19, 35, 64;
  ...
		

Crossrefs

Formula

A130321 + A059268 - A000012 (signed + - + -, ... by columns) as infinite lower triangular matrices.