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.

A268485 Number of sequences with n copies each of 1,2,...,n and longest increasing subsequence of length n.

Table of values

n a(n)
0 1
1 1
2 5
3 1306
4 46922017
5 449363984934526
6 1878320344216429026862153
7 5078529731893937404909347067888886466
8 12324197596430667064913735085330208112438377122058241
9 35544813569338447788721757701614208334438136486811525386710064098254294

List of values

[1, 1, 5, 1306, 46922017, 449363984934526, 1878320344216429026862153, 5078529731893937404909347067888886466, 12324197596430667064913735085330208112438377122058241, 35544813569338447788721757701614208334438136486811525386710064098254294]

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

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