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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.

A225169 Denominators of the sequence s(n) of the sum resp. product of fractions f(n) defined recursively by f(1) = 10/1; f(n+1) is chosen so that the sum and the product of the first n terms of the sequence are equal.

Table of values

n a(n)
1 1
2 9
3 819
4 7519239
5 695384944860879
6 6470289227069622272847335347359
7 605164280025029017271801950447677089988237937249820002811725119

List of values

[1, 9, 819, 7519239, 695384944860879, 6470289227069622272847335347359, 605164280025029017271801950447677089988237937249820002811725119]

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

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