A383973 - cp's OEIS frontend

A383973 Irregular triangle: T(n,k) gives the number of connected subsets of k edges of the n-dimensional cross-polytope up to isometries of the polytope, with 0 <= k <= A046092(n-1).

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	2
10	5
11	11
12	21
13	28
14	24
15	18
16	9
17	4
18	1
19	1
20	1
21	1
22	2
23	7
24	22
25	82
26	292
27	876
28	2023
29	3699
30	5587
31	7099
32	7712
33	7129
34	5668
35	3843
36	2234
37	1099
38	475
39	169
40	57
41	16
42	5
43	1
44	1
45	1
46	1
47	2
48	7
49	25
50	114
51	584
52	3055

[1, 1, 1, 1, 1, 1, 1, 1, 2, 5, 11, 21, 28, 24, 18, 9, 4, 1, 1, 1, 1, 2, 7, 22, 82, 292, 876, 2023, 3699, 5587, 7099, 7712, 7129, 5668, 3843, 2234, 1099, 475, 169, 57, 16, 5, 1, 1, 1, 1, 2, 7, 25, 114, 584, 3055]

cp's OEIS Frontend

A383973 Irregular triangle: T(n,k) gives the number of connected subsets of k edges of the n-dimensional cross-polytope up to isometries of the polytope, with 0 <= k <= A046092(n-1).

Table of values

List of values