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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.

A309885 a(n) is the largest integer k such that there exists a set of n integers from which each number in 1,...,k can be built using the basic operations +,-,*,/, with parentheses allowed, and using each element of the set exactly once.

Table of values

n a(n)
1 1
2 3
3 10
4 52

List of values

[1, 3, 10, 52]

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

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