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.

A326322 Square array A(n,k), n>=0, k>=0, read by antidiagonals: A(n,k) = sum of the k-th powers of multinomials M(n; mu), where mu ranges over all compositions of n.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 3
9 4
10 1
11 1
12 5
13 13
14 8
15 1
16 1
17 9
18 55
19 75
20 16
21 1
22 1
23 17
24 271
25 1077
26 541
27 32
28 1
29 1
30 33
31 1459
32 19353
33 32951
34 4683
35 64
36 1
37 1
38 65
39 8263
40 395793
41 2699251
42 1451723
43 47293
44 128
45 1
46 1
47 129
48 48115
49 8718945
50 262131251
51 650553183
52 87054773
53 545835
54 256

List of values

[1, 1, 1, 1, 1, 2, 1, 1, 3, 4, 1, 1, 5, 13, 8, 1, 1, 9, 55, 75, 16, 1, 1, 17, 271, 1077, 541, 32, 1, 1, 33, 1459, 19353, 32951, 4683, 64, 1, 1, 65, 8263, 395793, 2699251, 1451723, 47293, 128, 1, 1, 129, 48115, 8718945, 262131251, 650553183, 87054773, 545835, 256]