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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.

A383132 a(n) = Sum_{k=0..n} binomial(n,k) * binomial(n*k,k) * n^k.

Table of values

n a(n)
0 1
1 2
2 33
3 2701
4 524993
5 181752001
6 97735073905
7 75179269556672
8 78240951854025217
9 105806762566689176353
10 180297512864534759056001
11 377878889913778527874694227
12 955217573424445946022789385537
13 2865620569274978738097814056365899
14 10064763360358683666070320479027168465

List of values

[1, 2, 33, 2701, 524993, 181752001, 97735073905, 75179269556672, 78240951854025217, 105806762566689176353, 180297512864534759056001, 377878889913778527874694227, 955217573424445946022789385537, 2865620569274978738097814056365899, 10064763360358683666070320479027168465]

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

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