A251865 - cp's OEIS frontend

A251865 Irregular triangle read by rows in which row n lists the maximal-order elements ( mod n.

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

[0, 1, 2, 3, 2, 3, 5, 3, 5, 3, 5, 7, 2, 5, 3, 7, 2, 6, 7, 8, 5, 7, 11, 2, 6, 7, 11, 3, 5, 2, 7, 8, 13, 3, 5, 11, 13, 3, 5, 6, 7, 10, 11, 12, 14, 5, 11, 2, 3, 10, 13, 14, 15, 3, 7, 13, 17, 2, 5, 10, 11, 17, 19, 7, 13, 17, 19, 5, 7, 10, 11, 14, 15, 17, 19, 20, 21, 5, 7, 11, 13, 17, 19, 23, 2, 3, 8, 12, 13, 17, 22, 23]

cp's OEIS Frontend

A251865 Irregular triangle read by rows in which row n lists the maximal-order elements ( mod n.

Table of values

List of values

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

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

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