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.

A327681 Number of colored integer partitions of 2n using all colors of an n-set such that parts i have distinct color patterns in arbitrary order and each pattern for a part i has i colors in (weakly) increasing order.

Table of values

n a(n)
0 1
1 1
2 21
3 619
4 32621
5 2619031
6 298688151
7 45747815408
8 9130881915237
9 2302153903685914
10 716914926484850891
11 270654298469985496639
12 121905995767297357401683
13 64616493201145984241278851
14 39838866068219563302546530228
15 28277347692301453998991014108124

List of values

[1, 1, 21, 619, 32621, 2619031, 298688151, 45747815408, 9130881915237, 2302153903685914, 716914926484850891, 270654298469985496639, 121905995767297357401683, 64616493201145984241278851, 39838866068219563302546530228, 28277347692301453998991014108124]