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.

A317806 Number of set partitions of [k] into 4 blocks with equal element sum, where k is the n-th positive integer that allows such a partition.

Table of values

n a(n)
1 1
2 1
3 871
4 2650
5 9462094
6 31650271
7 171019406993
8 595828948333
9 4107584704538352
10 14702365152800667
11 118513210888679225825
12 432046935173440593804
13 3881432331405193485285518
14 14337098117309087488187476
15 139477762791757859249400365738
16 520312171172086830267314753894

List of values

[1, 1, 871, 2650, 9462094, 31650271, 171019406993, 595828948333, 4107584704538352, 14702365152800667, 118513210888679225825, 432046935173440593804, 3881432331405193485285518, 14337098117309087488187476, 139477762791757859249400365738, 520312171172086830267314753894]