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.

A383975 Irregular triangle: T(n,k) gives the number of connected subsets of k edges of the n-simplex up to isometries of the n-simplex, with 0 <= k <= A000217(n).

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 3
11 2
12 1
13 1
14 1
15 1
16 1
17 3
18 5
19 6
20 6
21 4
22 2
23 1
24 1
25 1
26 1
27 1
28 3
29 5
30 12
31 19
32 23
33 24
34 21
35 15
36 9
37 5
38 2
39 1
40 1
41 1
42 1
43 1
44 3
45 5
46 12
47 30
48 56
49 91
50 128
51 147
52 147
53 131
54 97
55 65
56 41
57 21
58 10
59 5
60 2
61 1
62 1
63 1
64 1
65 1
66 3
67 5
68 12
69 30
70 79
71 180
72 364
73 633
74 961
75 1300
76 1551
77 1644
78 1556
79 1311
80 980
81 663
82 402
83 221
84 115
85 56
86 24
87 11
88 5
89 2
90 1
91 1

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1, 1, 3, 5, 6, 6, 4, 2, 1, 1, 1, 1, 1, 3, 5, 12, 19, 23, 24, 21, 15, 9, 5, 2, 1, 1, 1, 1, 1, 3, 5, 12, 30, 56, 91, 128, 147, 147, 131, 97, 65, 41, 21, 10, 5, 2, 1, 1, 1, 1, 1, 3, 5, 12, 30, 79, 180, 364, 633, 961, 1300, 1551, 1644, 1556, 1311, 980, 663, 402, 221, 115, 56, 24, 11, 5, 2, 1, 1]