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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.

A120077 Denominators of row sums of rational triangle A120072/A120073.

Table of values

n a(n)
2 4
3 36
4 144
5 3600
6 3600
7 176400
8 705600
9 6350400
10 1270080
11 153679680
12 153679680
13 25971865920
14 25971865920
15 129859329600
16 519437318400
17 150117385017600
18 150117385017600
19 54192375991353600
20 2167695039654144
21 1548353599752960
22 221193371393280
23 117011293467045120

List of values

[4, 36, 144, 3600, 3600, 176400, 705600, 6350400, 1270080, 153679680, 153679680, 25971865920, 25971865920, 129859329600, 519437318400, 150117385017600, 150117385017600, 54192375991353600, 2167695039654144, 1548353599752960, 221193371393280, 117011293467045120]

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

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