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).

A058804 Number of labeled vertically indecomposable lattices with a fixed bottom.

Original entry on oeis.org

1, 1, 1, 0, 3, 28, 485, 11886, 396277, 17214856, 944152281, 63752343130, 5192082859601, 501340949329980, 56567812054113373, 7366464172601396422, 1095342925750005427965, 184246192159690980312976
Offset: 0

Views

Author

Christian G. Bower, Dec 28 2000

Keywords

Crossrefs

a(n)=A058803(n)/n=A058805(n)*(n-1).

Formula

E.g.f. of a(n+1): A(x)=(B(x)-1)/B(x) where B(x) is e.g.f. of A058164(n+1).
Showing 1-2 of 2 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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