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.

Showing 1-1 of 1 results.

A177811 Sub-triangle of Eulerian numbers A008292, taking every 4th term of every 4th row.

Original entry on oeis.org

1, 1, 1, 1, 156190, 1, 1, 423281535, 423281535, 1, 1, 473353301060, 114890380658550, 473353301060, 1, 1, 382493246941965, 5119020713873609970, 5119020713873609970, 382493246941965, 1, 1, 269025107855605626, 101955892318210543172751, 4179647109945703200884716, 101955892318210543172751, 269025107855605626, 1
Offset: 0

Views

Author

Roger L. Bagula, Dec 13 2010

Keywords

Comments

Row sums are: 1, 2, 156192, 846563072, 115837087260672, ... .

Examples

			{1},
{1, 1},
{1, 156190, 1},
{1, 423281535, 423281535, 1},
{1, 473353301060, 114890380658550, 473353301060, 1},
{1, 382493246941965, 5119020713873609970, 5119020713873609970, 382493246941965, 1}
		

Crossrefs

Programs

  • Mathematica
    << DiscreteMath`Combinatorica`
    k = 4;
    a = Table[Table[Eulerian[n + 1, k*m], {m, 0, Floor[n/k]}], {n, 0, 10*k, k}];
    Flatten[%]
Showing 1-1 of 1 results.