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.

A327801 Sum T(n,k) of multinomials M(n; lambda), where lambda ranges over all partitions of n into parts incorporating k; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 2
5 1
6 10
7 9
8 3
9 1
10 47
11 40
12 18
13 4
14 1
15 246
16 235
17 100
18 30
19 5
20 1
21 1602
22 1476
23 705
24 200
25 45
26 6
27 1
28 11481
29 11214
30 5166
31 1645
32 350
33 63
34 7
35 1
36 95503
37 91848
38 44856
39 13776
40 3290
41 560
42 84
43 8
44 1
45 871030
46 859527
47 413316
48 134568
49 30996
50 5922
51 840
52 108
53 9
54 1

List of values

[1, 1, 1, 3, 2, 1, 10, 9, 3, 1, 47, 40, 18, 4, 1, 246, 235, 100, 30, 5, 1, 1602, 1476, 705, 200, 45, 6, 1, 11481, 11214, 5166, 1645, 350, 63, 7, 1, 95503, 91848, 44856, 13776, 3290, 560, 84, 8, 1, 871030, 859527, 413316, 134568, 30996, 5922, 840, 108, 9, 1]