A300699 - cp's OEIS frontend

A300699 Irregular triangle read by rows: T(n, k) = number of vertices with rank k in concertina n-cube.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	1
7	1
8	3
9	6
10	6
11	6
12	3
13	1
14	1
15	4
16	12
17	18
18	28
19	24
20	28
21	18
22	12
23	4
24	1
25	1
26	5
27	20
28	40
29	80
30	95
31	150
32	150
33	150
34	150
35	95
36	80
37	40
38	20
39	5
40	1
41	1
42	6
43	30
44	75
45	180
46	270
47	506
48	660
49	840
50	1080
51	1035
52	1035
53	1080
54	840
55	660
56	506
57	270
58	180
59	75
60	30
61	6
62	1
63	1
64	7
65	42
66	126
67	350
68	630
69	1337
70	2107
71	3192
72	4760

[1, 1, 1, 1, 2, 2, 1, 1, 3, 6, 6, 6, 3, 1, 1, 4, 12, 18, 28, 24, 28, 18, 12, 4, 1, 1, 5, 20, 40, 80, 95, 150, 150, 150, 150, 95, 80, 40, 20, 5, 1, 1, 6, 30, 75, 180, 270, 506, 660, 840, 1080, 1035, 1035, 1080, 840, 660, 506, 270, 180, 75, 30, 6, 1, 1, 7, 42, 126, 350, 630, 1337, 2107, 3192, 4760]

cp's OEIS Frontend

A300699 Irregular triangle read by rows: T(n, k) = number of vertices with rank k in concertina n-cube.

Table of values

List of values