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.

A318795 Array read by antidiagonals: T(n,k) is the number of inequivalent nonnegative integer n X n matrices with sum of elements equal to k, under row and column permutations.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 4
6 1
7 1
8 5
9 4
10 1
11 1
12 11
13 10
14 4
15 1
16 1
17 14
18 24
19 10
20 4
21 1
22 1
23 24
24 51
25 33
26 10
27 4
28 1
29 1
30 30
31 114
32 78
33 33
34 10
35 4
36 1
37 1
38 45
39 219
40 224
41 91
42 33
43 10
44 4
45 1
46 1
47 55
48 424
49 549
50 277
51 91
52 33
53 10
54 4
55 1
56 1
57 76
58 768
59 1403
60 792
61 298
62 91
63 33
64 10
65 4
66 1
67 1
68 91
69 1352
70 3292
71 2341
72 881
73 298
74 91
75 33
76 10
77 4
78 1

List of values

[1, 1, 1, 1, 4, 1, 1, 5, 4, 1, 1, 11, 10, 4, 1, 1, 14, 24, 10, 4, 1, 1, 24, 51, 33, 10, 4, 1, 1, 30, 114, 78, 33, 10, 4, 1, 1, 45, 219, 224, 91, 33, 10, 4, 1, 1, 55, 424, 549, 277, 91, 33, 10, 4, 1, 1, 76, 768, 1403, 792, 298, 91, 33, 10, 4, 1, 1, 91, 1352, 3292, 2341, 881, 298, 91, 33, 10, 4, 1]