A333856 - cp's OEIS frontend

A333856 Irregular triangle read by rows: row n gives the members of the smallest nonnegative reduced residue system in the modified congruence modulo n by Brändli and Beyne, called mod* n.

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

[0, 1, 1, 1, 1, 2, 1, 1, 2, 3, 1, 3, 1, 2, 4, 1, 3, 1, 2, 3, 4, 5, 1, 5, 1, 2, 3, 4, 5, 6, 1, 3, 5, 1, 2, 4, 7, 1, 3, 5, 7, 1, 2, 3, 4, 5, 6, 7, 8, 1, 5, 7, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 3, 7, 9, 1, 2, 4, 5, 8, 10, 1, 3, 5, 7, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]

cp's OEIS Frontend

A333856 Irregular triangle read by rows: row n gives the members of the smallest nonnegative reduced residue system in the modified congruence modulo n by Brändli and Beyne, called mod* n.

Table of values

List of values

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

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

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