A067462 - cp's OEIS frontend

A067462 a(n) = (1! + 2! + ... + (n-1)!) mod n.

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

[0, 1, 0, 1, 3, 3, 5, 1, 0, 3, 0, 9, 9, 5, 3, 9, 12, 9, 8, 13, 12, 11, 20, 9, 13, 9, 9, 5, 16, 3, 1, 25, 0, 29, 33, 9, 4, 27, 9, 33, 3, 33, 15, 33, 18, 43, 17, 9, 47, 13, 12, 9, 12, 9, 33, 33, 27, 45, 27, 33, 21, 1, 54, 25, 48, 33, 64, 29, 66, 33, 67, 9, 54, 41, 63, 65, 33, 9, 19, 73, 63]

cp's OEIS Frontend

A067462 a(n) = (1! + 2! + ... + (n-1)!) mod n.

Table of values

List of values

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

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

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