A103881 - cp's OEIS frontend

A103881 Square array T(n,k) (n >= 1, k >= 0) read by antidiagonals: coordination sequence for root lattice A_n.

n	a(n)
1	1
2	1
3	2
4	1
5	6
6	2
7	1
8	12
9	12
10	2
11	1
12	20
13	42
14	18
15	2
16	1
17	30
18	110
19	92
20	24
21	2
22	1
23	42
24	240
25	340
26	162
27	30
28	2
29	1
30	56
31	462
32	1010
33	780
34	252
35	36
36	2
37	1
38	72
39	812
40	2562
41	2970
42	1500
43	362
44	42
45	2
46	1
47	90
48	1332
49	5768
50	9492
51	7002
52	2570
53	492
54	48
55	2
56	1
57	110
58	2070
59	11832
60	26474
61	27174
62	14240
63	4060
64	642
65	54
66	2
67	1
68	132
69	3080
70	22530
71	66222
72	91112
73	65226
74	26070
75	6040
76	812
77	60
78	2

[1, 1, 2, 1, 6, 2, 1, 12, 12, 2, 1, 20, 42, 18, 2, 1, 30, 110, 92, 24, 2, 1, 42, 240, 340, 162, 30, 2, 1, 56, 462, 1010, 780, 252, 36, 2, 1, 72, 812, 2562, 2970, 1500, 362, 42, 2, 1, 90, 1332, 5768, 9492, 7002, 2570, 492, 48, 2, 1, 110, 2070, 11832, 26474, 27174, 14240, 4060, 642, 54, 2, 1, 132, 3080, 22530, 66222, 91112, 65226, 26070, 6040, 812, 60, 2]

cp's OEIS Frontend

A103881 Square array T(n,k) (n >= 1, k >= 0) read by antidiagonals: coordination sequence for root lattice A_n.

Table of values

List of values