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.

A026845 Sum_{mu a partition of n} (f^mu/n!)^{-2} where f^mu is the number of standard Young tableaux of shape mu.

Table of values

n a(n)
1 1
2 8
3 81
4 1424
5 32152
6 1144937
7 53178768
8 3360267976
9 268737034880
10 26735641360265
11 3222856389284352
12 463078022054303432
13 78131995260953112576
14 15295767841794798044432
15 3438384401028669096232665
16 879589866427669147125523584
17 254053056142392070125392290952

List of values

[1, 8, 81, 1424, 32152, 1144937, 53178768, 3360267976, 268737034880, 26735641360265, 3222856389284352, 463078022054303432, 78131995260953112576, 15295767841794798044432, 3438384401028669096232665, 879589866427669147125523584, 254053056142392070125392290952]