A259569 - cp's OEIS frontend

A259569 Triangle T(n,k) read by rows, where T(n,k) is the number of k-dimensional faces of the polytope that is the convex hull of all permutations of the list (0,1,...,1,2), where there are n - 1 ones, for n > 0. T(0,0) is 1.

n	a(n)
0	1
1	2
2	1
3	6
4	6
5	1
6	12
7	24
8	14
9	1
10	20
11	60
12	70
13	30
14	1
15	30
16	120
17	210
18	180
19	62
20	1
21	42
22	210
23	490
24	630
25	434
26	126
27	1
28	56
29	336
30	980
31	1680
32	1736
33	1008
34	254
35	1
36	72
37	504
38	1764
39	3780
40	5208
41	4536
42	2286
43	510
44	1
45	90
46	720
47	2940
48	7560
49	13020
50	15120
51	11430
52	5100
53	1022
54	1
55	110
56	990
57	4620
58	13860
59	28644
60	41580
61	41910
62	28050
63	11242
64	2046
65	1

[1, 2, 1, 6, 6, 1, 12, 24, 14, 1, 20, 60, 70, 30, 1, 30, 120, 210, 180, 62, 1, 42, 210, 490, 630, 434, 126, 1, 56, 336, 980, 1680, 1736, 1008, 254, 1, 72, 504, 1764, 3780, 5208, 4536, 2286, 510, 1, 90, 720, 2940, 7560, 13020, 15120, 11430, 5100, 1022, 1, 110, 990, 4620, 13860, 28644, 41580, 41910, 28050, 11242, 2046, 1]

cp's OEIS Frontend

A259569 Triangle T(n,k) read by rows, where T(n,k) is the number of k-dimensional faces of the polytope that is the convex hull of all permutations of the list (0,1,...,1,2), where there are n - 1 ones, for n > 0. T(0,0) is 1.

Table of values

List of values