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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.

A088532 "Patterns of permutations": Define the "pattern" formed by k positions in a permutation to be the permutation of {1..k} specifying the relative order of the elements in those positions; a(n) = largest number of different patterns that can occur in a permutation of n letters.

Table of values

n a(n)
1 1
2 2
3 4
4 8
5 15
6 28
7 55
8 109
9 226
10 452
11 935

List of values

[1, 2, 4, 8, 15, 28, 55, 109, 226, 452, 935]

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

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