A082641 - cp's OEIS frontend

A082641 Triangle T(n,k) (n >= 1, 1 <= k <= n) read by rows, where T(n,k) = number of basic invariants of degree k for the cyclic group of order and degree n.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	2
10	2
11	1
12	2
13	4
14	4
15	4
16	1
17	3
18	6
19	6
20	2
21	2
22	1
23	3
24	8
25	12
26	12
27	6
28	6
29	1
30	4
31	10
32	18
33	16
34	8
35	4
36	4
37	1
38	4
39	14
40	26
41	32
42	18
43	12
44	6
45	6
46	1
47	5
48	16
49	36
50	48
51	32
52	12
53	8
54	4
55	4
56	1
57	5
58	20
59	50
60	82
61	70
62	50
63	30
64	20
65	10
66	10
67	1
68	6
69	24
70	64
71	104
72	84
73	36
74	20
75	12
76	8
77	4
78	4
79	1
80	6
81	28
82	84
83	168
84	180
85	132
86	84
87	60
88	36
89	24
90	12
91	12
92	1
93	7
94	32
95	104
96	216
97	242
98	162
99	96
100	42
101	30
102	18
103	12
104	6
105	6

[1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 1, 2, 4, 4, 4, 1, 3, 6, 6, 2, 2, 1, 3, 8, 12, 12, 6, 6, 1, 4, 10, 18, 16, 8, 4, 4, 1, 4, 14, 26, 32, 18, 12, 6, 6, 1, 5, 16, 36, 48, 32, 12, 8, 4, 4, 1, 5, 20, 50, 82, 70, 50, 30, 20, 10, 10, 1, 6, 24, 64, 104, 84, 36, 20, 12, 8, 4, 4, 1, 6, 28, 84, 168, 180, 132, 84, 60, 36, 24, 12, 12, 1, 7, 32, 104, 216, 242, 162, 96, 42, 30, 18, 12, 6, 6]

cp's OEIS Frontend

A082641 Triangle T(n,k) (n >= 1, 1 <= k <= n) read by rows, where T(n,k) = number of basic invariants of degree k for the cyclic group of order and degree n.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	2
10	2
11	1
12	2
13	4
14	4
15	4
16	1
17	3
18	6
19	6
20	2
21	2
22	1
23	3
24	8
25	12
26	12
27	6
28	6
29	1
30	4
31	10
32	18
33	16
34	8
35	4
36	4
37	1
38	4
39	14
40	26
41	32
42	18
43	12
44	6
45	6
46	1
47	5
48	16
49	36
50	48
51	32
52	12
53	8
54	4
55	4
56	1
57	5
58	20
59	50
60	82
61	70
62	50
63	30
64	20
65	10
66	10
67	1
68	6
69	24
70	64
71	104
72	84
73	36
74	20
75	12
76	8
77	4
78	4
79	1
80	6
81	28
82	84
83	168
84	180
85	132
86	84
87	60
88	36
89	24
90	12
91	12
92	1
93	7
94	32
95	104
96	216
97	242
98	162
99	96
100	42
101	30
102	18
103	12
104	6
105	6

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	2
10	2
11	1
12	2
13	4
14	4
15	4
16	1
17	3
18	6
19	6
20	2
21	2
22	1
23	3
24	8
25	12
26	12
27	6
28	6
29	1
30	4
31	10
32	18
33	16
34	8
35	4
36	4
37	1
38	4
39	14
40	26
41	32
42	18
43	12
44	6
45	6
46	1
47	5
48	16
49	36
50	48
51	32
52	12
53	8
54	4
55	4
56	1
57	5
58	20
59	50
60	82
61	70
62	50
63	30
64	20
65	10
66	10
67	1
68	6
69	24
70	64
71	104
72	84
73	36
74	20
75	12
76	8
77	4
78	4
79	1
80	6
81	28
82	84
83	168
84	180
85	132
86	84
87	60
88	36
89	24
90	12
91	12
92	1
93	7
94	32
95	104
96	216
97	242
98	162
99	96
100	42
101	30
102	18
103	12
104	6
105	6

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	2
10	2
11	1
12	2
13	4
14	4
15	4
16	1
17	3
18	6
19	6
20	2
21	2
22	1
23	3
24	8
25	12
26	12
27	6
28	6
29	1
30	4
31	10
32	18
33	16
34	8
35	4
36	4
37	1
38	4
39	14
40	26
41	32
42	18
43	12
44	6
45	6
46	1
47	5
48	16
49	36
50	48
51	32
52	12
53	8
54	4
55	4
56	1
57	5
58	20
59	50
60	82
61	70
62	50
63	30
64	20
65	10
66	10
67	1
68	6
69	24
70	64
71	104
72	84
73	36
74	20
75	12
76	8
77	4
78	4
79	1
80	6
81	28
82	84
83	168
84	180
85	132
86	84
87	60
88	36
89	24
90	12
91	12
92	1
93	7
94	32
95	104
96	216
97	242
98	162
99	96
100	42
101	30
102	18
103	12
104	6
105	6