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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.

A090436 Denominators used to compute the column sequences of triangle A090217.

Table of values

n a(n)
1 1
2 5
3 100
4 27500
5 687500
6 7075062500
7 3594287401375000
8 81456034414253835114625000
9 35683959264371194185124824344091625000
10 140789696830026154896057937831705061406034875000

List of values

[1, 5, 100, 27500, 687500, 7075062500, 3594287401375000, 81456034414253835114625000, 35683959264371194185124824344091625000, 140789696830026154896057937831705061406034875000]

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

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