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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.

A167999 A permutation pi on [1,2,....n] has k(pi) longest increasing subsequences associated with it; 1<= k(pi)<= f(n) for some function f. The given sequence enumerates sum_pi k(pi).

Table of values

n a(n)
1 1
2 3
3 10
4 46
5 264
6 1773
7 13719
8 120770
9 1190358
10 12961563
11 154466259
12 2000471830
13 27980585221

List of values

[1, 3, 10, 46, 264, 1773, 13719, 120770, 1190358, 12961563, 154466259, 2000471830, 27980585221]

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

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