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.

A141660 Triangle read by rows: T(n,k) = 2^k*A123125(n,k).

Original entry on oeis.org

1, 0, 2, 0, 2, 4, 0, 2, 16, 8, 0, 2, 44, 88, 16, 0, 2, 104, 528, 416, 32, 0, 2, 228, 2416, 4832, 1824, 64, 0, 2, 480, 9528, 38656, 38112, 7680, 128, 0, 2, 988, 34344, 249904, 499808, 274752, 31616, 256, 0, 2, 2008, 116864, 1411744, 4998080, 5646976, 1869824
Offset: 1

Views

Author

Roger L. Bagula and Gary W. Adamson, Sep 04 2008

Keywords

Comments

Triangle T(n,k), 0 <= k <= n, read by rows given by [0,1,0,2,0,3,0,4,0,5,0,6,...] DELTA [2,0,4,0,6,0,8,0,10,0,...] where DELTA is the operator defined in A084938. - Philippe Deléham, Sep 15 2008

Examples

			{1},
{0, 2},
{0, 2, 4},
{0, 2, 16, 8},
{0, 2, 44, 88, 16},
{0, 2, 104, 528, 416, 32},
{0, 2, 228, 2416, 4832, 1824, 64},
{0, 2, 480, 9528, 38656, 38112, 7680, 128}, ...
		

Crossrefs

Formula

T(n,k) = 2^k*A123125(n,k). - Philippe Deléham, Sep 15 2008
Sum_{k=0..n} T(n,k) = A000629(n). - Philippe Deléham, Nov 19 2011

Extensions

Example corrected by Philippe Deléham, Oct 16 2008
New name using formula by Philippe Deléham, Joerg Arndt, Jan 25 2020