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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.

A058759 Shannon switching function: a(n) is the least number k such that any switching (or Boolean) function of n variables can be realized as a two-terminal network of AND's and OR's in which the total number of occurrences of the variables X_1, X_1', ..., X_n, X_n' is no more than k (where the primes indicate complements).

Table of values

n a(n)
1 1
2 4
3 8
4 13

List of values

[1, 4, 8, 13]

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

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