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.

A327004 Irregular triangle read by rows in which the n-th row lists multinomials for partitions of 4n which have only parts which are multiples of 4, in Hindenburg order.

Table of values

n a(n)
0 1
1 1
2 1
3 35
4 1
5 495
6 5775
7 1
8 1820
9 6435
10 450450
11 2627625
12 1
13 4845
14 125970
15 4408950
16 31177575
17 727476750
18 2546168625
19 1
20 10626
21 735471
22 25741485
23 1352078
24 1338557220
25 15616500900
26 1577585295
27 165646455975
28 1932541986375
29 4509264634875

List of values

[1, 1, 1, 35, 1, 495, 5775, 1, 1820, 6435, 450450, 2627625, 1, 4845, 125970, 4408950, 31177575, 727476750, 2546168625, 1, 10626, 735471, 25741485, 1352078, 1338557220, 15616500900, 1577585295, 165646455975, 1932541986375, 4509264634875]