A337938 - cp's OEIS frontend

A337938 Irregular triangle read by rows: T(n, k) gives the primitive period of the sequence {k (Modd n)}_{k >= 0}, for n >= 1.

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

[0, 0, 1, 0, 1, 2, 0, 2, 1, 0, 1, 2, 3, 0, 3, 2, 1, 0, 1, 2, 3, 4, 0, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 0, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 0, 6, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 7, 0, 7, 6, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 8, 7, 6, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 9, 8, 7, 6, 5, 4, 3, 2, 1]

cp's OEIS Frontend

A337938 Irregular triangle read by rows: T(n, k) gives the primitive period of the sequence {k (Modd n)}_{k >= 0}, for n >= 1.

Table of values

List of values

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

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

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