A371884 - cp's OEIS frontend

A371884 Irregular triangle read by rows in which row n >= 2 lists the divisors d of n such that d^n mod n = d.

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

[1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 5, 1, 1, 4, 1, 1, 7, 1, 5, 1, 1, 1, 9, 1, 1, 5, 1, 7, 1, 11, 1, 1, 1, 1, 13, 1, 1, 4, 1, 1, 6, 10, 15, 1, 1, 1, 11, 1, 17, 1, 1, 9, 1, 1, 19, 1, 13, 1, 1, 1, 7, 21, 1, 1, 1, 9, 1, 23, 1, 1, 16, 1, 1, 25, 1, 17, 1, 13, 1, 1, 27, 1, 11, 1, 8, 1, 19, 1, 29, 1, 1, 1, 1, 31, 1, 1, 1, 5, 13]

cp's OEIS Frontend

A371884 Irregular triangle read by rows in which row n >= 2 lists the divisors d of n such that d^n mod n = d.

Table of values

List of values

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

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

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