A252911 - cp's OEIS frontend

A252911 Irregular triangular array read by rows: T(n,k) is the number of elements in the multiplicative group of integers modulo n that have order k, n>=1, 1<=k<=A002322(n).

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	0
10	2
11	1
12	1
13	1
14	1
15	2
16	0
17	0
18	2
19	1
20	3
21	1
22	1
23	2
24	0
25	0
26	2
27	1
28	1
29	0
30	2
31	1
32	1
33	0
34	0
35	4
36	0
37	0
38	0
39	0
40	4
41	1
42	3
43	1
44	1
45	2
46	2
47	0
48	2
49	0
50	0
51	0
52	0
53	0
54	4
55	1
56	1
57	2
58	0
59	0
60	2
61	1
62	3
63	0
64	4
65	1
66	3
67	0
68	4
69	1
70	1
71	0
72	2
73	0
74	0
75	0
76	4
77	0
78	0
79	0
80	0
81	0
82	0
83	0
84	8
85	1
86	1
87	2
88	0
89	0
90	2
91	1
92	1
93	2
94	0
95	0
96	2
97	0
98	0
99	6
100	0
101	0
102	0
103	0
104	0
105	0
106	0
107	0
108	6
109	1
110	3
111	0
112	4

[1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 2, 0, 0, 2, 1, 3, 1, 1, 2, 0, 0, 2, 1, 1, 0, 2, 1, 1, 0, 0, 4, 0, 0, 0, 0, 4, 1, 3, 1, 1, 2, 2, 0, 2, 0, 0, 0, 0, 0, 4, 1, 1, 2, 0, 0, 2, 1, 3, 0, 4, 1, 3, 0, 4, 1, 1, 0, 2, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 8, 1, 1, 2, 0, 0, 2, 1, 1, 2, 0, 0, 2, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 6, 1, 3, 0, 4]

cp's OEIS Frontend

A252911 Irregular triangular array read by rows: T(n,k) is the number of elements in the multiplicative group of integers modulo n that have order k, n>=1, 1<=k<=A002322(n).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	0
10	2
11	1
12	1
13	1
14	1
15	2
16	0
17	0
18	2
19	1
20	3
21	1
22	1
23	2
24	0
25	0
26	2
27	1
28	1
29	0
30	2
31	1
32	1
33	0
34	0
35	4
36	0
37	0
38	0
39	0
40	4
41	1
42	3
43	1
44	1
45	2
46	2
47	0
48	2
49	0
50	0
51	0
52	0
53	0
54	4
55	1
56	1
57	2
58	0
59	0
60	2
61	1
62	3
63	0
64	4
65	1
66	3
67	0
68	4
69	1
70	1
71	0
72	2
73	0
74	0
75	0
76	4
77	0
78	0
79	0
80	0
81	0
82	0
83	0
84	8
85	1
86	1
87	2
88	0
89	0
90	2
91	1
92	1
93	2
94	0
95	0
96	2
97	0
98	0
99	6
100	0
101	0
102	0
103	0
104	0
105	0
106	0
107	0
108	6
109	1
110	3
111	0
112	4

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	0
10	2
11	1
12	1
13	1
14	1
15	2
16	0
17	0
18	2
19	1
20	3
21	1
22	1
23	2
24	0
25	0
26	2
27	1
28	1
29	0
30	2
31	1
32	1
33	0
34	0
35	4
36	0
37	0
38	0
39	0
40	4
41	1
42	3
43	1
44	1
45	2
46	2
47	0
48	2
49	0
50	0
51	0
52	0
53	0
54	4
55	1
56	1
57	2
58	0
59	0
60	2
61	1
62	3
63	0
64	4
65	1
66	3
67	0
68	4
69	1
70	1
71	0
72	2
73	0
74	0
75	0
76	4
77	0
78	0
79	0
80	0
81	0
82	0
83	0
84	8
85	1
86	1
87	2
88	0
89	0
90	2
91	1
92	1
93	2
94	0
95	0
96	2
97	0
98	0
99	6
100	0
101	0
102	0
103	0
104	0
105	0
106	0
107	0
108	6
109	1
110	3
111	0
112	4

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	0
10	2
11	1
12	1
13	1
14	1
15	2
16	0
17	0
18	2
19	1
20	3
21	1
22	1
23	2
24	0
25	0
26	2
27	1
28	1
29	0
30	2
31	1
32	1
33	0
34	0
35	4
36	0
37	0
38	0
39	0
40	4
41	1
42	3
43	1
44	1
45	2
46	2
47	0
48	2
49	0
50	0
51	0
52	0
53	0
54	4
55	1
56	1
57	2
58	0
59	0
60	2
61	1
62	3
63	0
64	4
65	1
66	3
67	0
68	4
69	1
70	1
71	0
72	2
73	0
74	0
75	0
76	4
77	0
78	0
79	0
80	0
81	0
82	0
83	0
84	8
85	1
86	1
87	2
88	0
89	0
90	2
91	1
92	1
93	2
94	0
95	0
96	2
97	0
98	0
99	6
100	0
101	0
102	0
103	0
104	0
105	0
106	0
107	0
108	6
109	1
110	3
111	0
112	4