A088459 - cp's OEIS frontend

A088459 Triangle read by rows: T(n,k) represents the number of lozenge tilings of an (n,1,n)-hexagon which include the non-vertical tile above the main diagonal starting in position k+1.

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	1
7	1
8	3
9	6
10	6
11	3
12	1
13	1
14	4
15	12
16	18
17	18
18	12
19	4
20	1
21	1
22	5
23	20
24	40
25	60
26	60
27	40
28	20
29	5
30	1
31	1
32	6
33	30
34	75
35	150
36	200
37	200
38	150
39	75
40	30
41	6
42	1
43	1
44	7
45	42
46	126
47	315
48	525
49	700
50	700
51	525
52	315
53	126
54	42
55	7
56	1
57	1
58	8
59	56
60	196
61	588
62	1176
63	1960
64	2450
65	2450
66	1960
67	1176
68	588
69	196
70	56
71	8
72	1

[1, 1, 1, 2, 2, 1, 1, 3, 6, 6, 3, 1, 1, 4, 12, 18, 18, 12, 4, 1, 1, 5, 20, 40, 60, 60, 40, 20, 5, 1, 1, 6, 30, 75, 150, 200, 200, 150, 75, 30, 6, 1, 1, 7, 42, 126, 315, 525, 700, 700, 525, 315, 126, 42, 7, 1, 1, 8, 56, 196, 588, 1176, 1960, 2450, 2450, 1960, 1176, 588, 196, 56, 8, 1]

cp's OEIS Frontend

A088459 Triangle read by rows: T(n,k) represents the number of lozenge tilings of an (n,1,n)-hexagon which include the non-vertical tile above the main diagonal starting in position k+1.

Table of values

List of values