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.

A263858 Triangle read by rows: T(n,k) (n>=0, k>=1) is the number of posets with n elements and k maximal chains.

Original entry on oeis.org

1, 1, 1, 1, 1, 3, 1, 1, 7, 6, 2, 1, 13, 25, 18, 4, 2
Offset: 0

Views

Author

Christian Stump, Oct 28 2015

Keywords

Comments

Row sums give A000112.

Examples

			Triangle begins:
1,
1,
1,1,
1,3,1,
1,7,6,2,
1,13,25,18,4,2,
...
		

Crossrefs

Cf. A000112.