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.

A129352 Number parallelogram based on Pascal's triangle, read along diagonals.

Original entry on oeis.org

70, 35, 35, 15, 40, 15, 5, 30, 30, 5, 1, 16, 36, 16, 1, 5, 30, 30, 5, 15, 40, 15, 35, 35, 70
Offset: 0

Views

Author

Zerinvary Lajos, May 28 2007

Keywords

Examples

			Terms are the following square, read by diagonals:
  70, 35, 15,  5,  1
  35, 40, 30, 16,  5
  15, 30, 36, 30, 15
   5, 16, 30, 40, 35
   1,  5, 15, 35, 70
		

Crossrefs

Cf. A113899.

Programs

  • Maple
    with(combinat):T:=(n,i)->binomial(i,n)*binomial(8-i,4-n): for n from 0 to 4 do seq(T(n, i), i=0+n..8-4+n) od;

Extensions

Edited slightly by Charles R Greathouse IV, Oct 28 2009