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.

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).

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.

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

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