A061009 - cp's OEIS frontend

A061009 a(n) = -2 + Sum_{j=1..n} (-(n-1)!) mod n.

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

[-2, -1, 0, 2, 3, 3, 4, 4, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 17, 17, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24]

cp's OEIS Frontend

A061009 a(n) = -2 + Sum_{j=1..n} (-(n-1)!) mod n.

Table of values

List of values

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

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

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