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 1-2 of 2 results.

A058803 Vertically indecomposable lattices on n labeled nodes.

Original entry on oeis.org

1, 1, 2, 0, 12, 140, 2910, 83202, 3170216, 154933704, 9441522810, 701275774430, 62304994315212, 6517432341289740, 791949368757587222, 110496962589020946330, 17525486812000086847440
Offset: 0

Views

Author

Christian G. Bower, Dec 28 2000

Keywords

Crossrefs

a(n)=A058804(n)*n=A058805(n)*n*(n-1).

A058805 Number of labeled vertically indecomposable lattices with a fixed top and bottom.

Original entry on oeis.org

1, 1, 1, 0, 1, 7, 97, 1981, 56611, 2151857, 104905809, 6375234313, 472007532691, 41778412444165, 4351370158008721, 526176012328671173, 73022861716667028531, 11515387009980686269561
Offset: 0

Views

Author

Christian G. Bower, Dec 28 2000

Keywords

Crossrefs

a(n)=A058803(n)/(n*(n-1))=A058804(n)/(n-1).
Showing 1-2 of 2 results.