A158851 - cp's OEIS frontend

A158851 a(n) = lcm(1,2,3,...,n) mod (n+1).

n	a(n)
1	1
2	2
3	2
4	2
5	0
6	4
7	4
8	3
9	0
10	1
11	0
12	4
13	0
14	0
15	8
16	5
17	0
18	14
19	0
20	0
21	0
22	15
23	0
24	5
25	0
26	18
27	0
28	1
29	0
30	20
31	16
32	0
33	0
34	0
35	0
36	2
37	0
38	0
39	0
40	15
41	0
42	15
43	0
44	0
45	0
46	8
47	0
48	21
49	0
50	0
51	0
52	29
53	0
54	0
55	0
56	0
57	0
58	21
59	0
60	16
61	0
62	0
63	32
64	0
65	0
66	29
67	0
68	0
69	0
70	23
71	0
72	22
73	0
74	0
75	0
76	0
77	0
78	30
79	0
80	54
81	0
82	71
83	0
84	0
85	0
86	0
87	0
88	37
89	0
90	0
91	0
92	0
93	0
94	0
95	0
96	7
97	0

[1, 2, 2, 2, 0, 4, 4, 3, 0, 1, 0, 4, 0, 0, 8, 5, 0, 14, 0, 0, 0, 15, 0, 5, 0, 18, 0, 1, 0, 20, 16, 0, 0, 0, 0, 2, 0, 0, 0, 15, 0, 15, 0, 0, 0, 8, 0, 21, 0, 0, 0, 29, 0, 0, 0, 0, 0, 21, 0, 16, 0, 0, 32, 0, 0, 29, 0, 0, 0, 23, 0, 22, 0, 0, 0, 0, 0, 30, 0, 54, 0, 71, 0, 0, 0, 0, 0, 37, 0, 0, 0, 0, 0, 0, 0, 7, 0]

cp's OEIS Frontend

A158851 a(n) = lcm(1,2,3,...,n) mod (n+1).

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	2
5	0
6	4
7	4
8	3
9	0
10	1
11	0
12	4
13	0
14	0
15	8
16	5
17	0
18	14
19	0
20	0
21	0
22	15
23	0
24	5
25	0
26	18
27	0
28	1
29	0
30	20
31	16
32	0
33	0
34	0
35	0
36	2
37	0
38	0
39	0
40	15
41	0
42	15
43	0
44	0
45	0
46	8
47	0
48	21
49	0
50	0
51	0
52	29
53	0
54	0
55	0
56	0
57	0
58	21
59	0
60	16
61	0
62	0
63	32
64	0
65	0
66	29
67	0
68	0
69	0
70	23
71	0
72	22
73	0
74	0
75	0
76	0
77	0
78	30
79	0
80	54
81	0
82	71
83	0
84	0
85	0
86	0
87	0
88	37
89	0
90	0
91	0
92	0
93	0
94	0
95	0
96	7
97	0

n	a(n)
1	1
2	2
3	2
4	2
5	0
6	4
7	4
8	3
9	0
10	1
11	0
12	4
13	0
14	0
15	8
16	5
17	0
18	14
19	0
20	0
21	0
22	15
23	0
24	5
25	0
26	18
27	0
28	1
29	0
30	20
31	16
32	0
33	0
34	0
35	0
36	2
37	0
38	0
39	0
40	15
41	0
42	15
43	0
44	0
45	0
46	8
47	0
48	21
49	0
50	0
51	0
52	29
53	0
54	0
55	0
56	0
57	0
58	21
59	0
60	16
61	0
62	0
63	32
64	0
65	0
66	29
67	0
68	0
69	0
70	23
71	0
72	22
73	0
74	0
75	0
76	0
77	0
78	30
79	0
80	54
81	0
82	71
83	0
84	0
85	0
86	0
87	0
88	37
89	0
90	0
91	0
92	0
93	0
94	0
95	0
96	7
97	0

n	a(n)
1	1
2	2
3	2
4	2
5	0
6	4
7	4
8	3
9	0
10	1
11	0
12	4
13	0
14	0
15	8
16	5
17	0
18	14
19	0
20	0
21	0
22	15
23	0
24	5
25	0
26	18
27	0
28	1
29	0
30	20
31	16
32	0
33	0
34	0
35	0
36	2
37	0
38	0
39	0
40	15
41	0
42	15
43	0
44	0
45	0
46	8
47	0
48	21
49	0
50	0
51	0
52	29
53	0
54	0
55	0
56	0
57	0
58	21
59	0
60	16
61	0
62	0
63	32
64	0
65	0
66	29
67	0
68	0
69	0
70	23
71	0
72	22
73	0
74	0
75	0
76	0
77	0
78	30
79	0
80	54
81	0
82	71
83	0
84	0
85	0
86	0
87	0
88	37
89	0
90	0
91	0
92	0
93	0
94	0
95	0
96	7
97	0