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.

A163950 The number of functions in a finite set that can be expressed by a composition power of another function. (It differs from A163948, as it excludes self compositions).

Table of values

n a(n)
1 1
2 1
3 12
4 118
5 1405
6 19476
7 300559

List of values

[1, 1, 12, 118, 1405, 19476, 300559]

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

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