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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.

A074056 a(n)=a(n-1)^3/a(n-2)^2+a(n-1)*a(n-2) with a(1)=a(2)=1.

Table of values

n a(n)
1 1
2 1
3 2
4 10
5 270
6 199530
7 109021396230
8 32547610062433062370530
9 2900907183084129462928443491816490142071240030
10 23044287863704114233982017840826804806870854633710605340763217534502946372713488874512819930

List of values

[1, 1, 2, 10, 270, 199530, 109021396230, 32547610062433062370530, 2900907183084129462928443491816490142071240030, 23044287863704114233982017840826804806870854633710605340763217534502946372713488874512819930]

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

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