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.

A377063 Array read by antidiagonals: T(n,k) is the number of {-1,0,1} n X k matrices with all rows and columns summing to zero up to permutations of rows.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 2
13 1
14 1
15 1
16 1
17 4
18 2
19 1
20 1
21 1
22 1
23 10
24 6
25 3
26 1
27 1
28 1
29 1
30 26
31 30
32 12
33 3
34 1
35 1
36 1
37 1
38 71
39 166
40 117
41 18
42 4
43 1
44 1
45 1
46 1
47 197
48 981
49 1421
50 345
51 30
52 4
53 1
54 1
55 1
56 1
57 554
58 5937
59 20326
60 9691
61 1042
62 42
63 5
64 1
65 1
66 1
67 1
68 1570
69 36646
70 307063
71 336596
72 63076
73 2746
74 63
75 5
76 1
77 1

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 4, 2, 1, 1, 1, 1, 10, 6, 3, 1, 1, 1, 1, 26, 30, 12, 3, 1, 1, 1, 1, 71, 166, 117, 18, 4, 1, 1, 1, 1, 197, 981, 1421, 345, 30, 4, 1, 1, 1, 1, 554, 5937, 20326, 9691, 1042, 42, 5, 1, 1, 1, 1, 1570, 36646, 307063, 336596, 63076, 2746, 63, 5, 1, 1]