cp's OEIS Frontend

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.

A005756 Number of non-degenerate fanout-free Boolean functions of n variables having AND rank 2.

Table of values

n a(n)
2 4
3 24
4 304
5 5440
6 125824
7 3566080
8 119614464
9 4633387008
10 203524112384
11 9995546722304
12 542730361241600
13 32281981804347392
14 2087454641985945600
15 145797871819529650176
16 10938609224992417644544
17 877346430770422497673216
18 74913579745878635293179904
19 6784650500440844952024383488

List of values

[4, 24, 304, 5440, 125824, 3566080, 119614464, 4633387008, 203524112384, 9995546722304, 542730361241600, 32281981804347392, 2087454641985945600, 145797871819529650176, 10938609224992417644544, 877346430770422497673216, 74913579745878635293179904, 6784650500440844952024383488]

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

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