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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.

A225156 Denominators of the sequence of fractions f(n) defined recursively by f(1) = 3/1; 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 2
3 7
4 67
5 5623
6 37772347
7 1653794703916063
8 3104205768420613437667191487267
9 10767416908549848056705041797805600349527548164015760674541223

List of values

[1, 2, 7, 67, 5623, 37772347, 1653794703916063, 3104205768420613437667191487267, 10767416908549848056705041797805600349527548164015760674541223]

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

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