A181569 - cp's OEIS frontend

A181569 Greatest common divisor of n! and n+1.

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

[1, 1, 2, 1, 6, 1, 8, 9, 10, 1, 12, 1, 14, 15, 16, 1, 18, 1, 20, 21, 22, 1, 24, 25, 26, 27, 28, 1, 30, 1, 32, 33, 34, 35, 36, 1, 38, 39, 40, 1, 42, 1, 44, 45, 46, 1, 48, 49, 50, 51, 52, 1, 54, 55, 56, 57, 58, 1, 60, 1, 62, 63, 64, 65, 66, 1, 68, 69, 70, 1, 72, 1, 74, 75, 76, 77, 78, 1]

cp's OEIS Frontend

A181569 Greatest common divisor of n! and n+1.

Table of values

List of values

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

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

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