A126560 - cp's OEIS frontend

A126560 a(n) = gcd(4(n+1)(n+2), n(n+3)), periodic with 8-cycle 4,2,2,4,8,2,2,8.

n	a(n)
1	4
2	2
3	2
4	4
5	8
6	2
7	2
8	8
9	4
10	2
11	2
12	4
13	8
14	2
15	2
16	8
17	4
18	2
19	2
20	4
21	8
22	2
23	2
24	8
25	4
26	2
27	2
28	4
29	8
30	2
31	2
32	8
33	4
34	2
35	2
36	4
37	8
38	2
39	2
40	8
41	4
42	2
43	2
44	4
45	8
46	2
47	2
48	8
49	4
50	2
51	2
52	4
53	8
54	2
55	2
56	8
57	4
58	2
59	2
60	4
61	8
62	2
63	2
64	8
65	4
66	2
67	2
68	4
69	8
70	2
71	2
72	8
73	4
74	2
75	2
76	4
77	8
78	2
79	2
80	8
81	4
82	2
83	2
84	4
85	8
86	2
87	2
88	8
89	4
90	2
91	2
92	4
93	8
94	2
95	2
96	8
97	4
98	2
99	2
100	4
101	8
102	2
103	2
104	8

[4, 2, 2, 4, 8, 2, 2, 8, 4, 2, 2, 4, 8, 2, 2, 8, 4, 2, 2, 4, 8, 2, 2, 8, 4, 2, 2, 4, 8, 2, 2, 8, 4, 2, 2, 4, 8, 2, 2, 8, 4, 2, 2, 4, 8, 2, 2, 8, 4, 2, 2, 4, 8, 2, 2, 8, 4, 2, 2, 4, 8, 2, 2, 8, 4, 2, 2, 4, 8, 2, 2, 8, 4, 2, 2, 4, 8, 2, 2, 8, 4, 2, 2, 4, 8, 2, 2, 8, 4, 2, 2, 4, 8, 2, 2, 8, 4, 2, 2, 4, 8, 2, 2, 8]

cp's OEIS Frontend

A126560 a(n) = gcd(4(n+1)(n+2), n(n+3)), periodic with 8-cycle 4,2,2,4,8,2,2,8.

Table of values

List of values

n	a(n)
1	4
2	2
3	2
4	4
5	8
6	2
7	2
8	8
9	4
10	2
11	2
12	4
13	8
14	2
15	2
16	8
17	4
18	2
19	2
20	4
21	8
22	2
23	2
24	8
25	4
26	2
27	2
28	4
29	8
30	2
31	2
32	8
33	4
34	2
35	2
36	4
37	8
38	2
39	2
40	8
41	4
42	2
43	2
44	4
45	8
46	2
47	2
48	8
49	4
50	2
51	2
52	4
53	8
54	2
55	2
56	8
57	4
58	2
59	2
60	4
61	8
62	2
63	2
64	8
65	4
66	2
67	2
68	4
69	8
70	2
71	2
72	8
73	4
74	2
75	2
76	4
77	8
78	2
79	2
80	8
81	4
82	2
83	2
84	4
85	8
86	2
87	2
88	8
89	4
90	2
91	2
92	4
93	8
94	2
95	2
96	8
97	4
98	2
99	2
100	4
101	8
102	2
103	2
104	8

n	a(n)
1	4
2	2
3	2
4	4
5	8
6	2
7	2
8	8
9	4
10	2
11	2
12	4
13	8
14	2
15	2
16	8
17	4
18	2
19	2
20	4
21	8
22	2
23	2
24	8
25	4
26	2
27	2
28	4
29	8
30	2
31	2
32	8
33	4
34	2
35	2
36	4
37	8
38	2
39	2
40	8
41	4
42	2
43	2
44	4
45	8
46	2
47	2
48	8
49	4
50	2
51	2
52	4
53	8
54	2
55	2
56	8
57	4
58	2
59	2
60	4
61	8
62	2
63	2
64	8
65	4
66	2
67	2
68	4
69	8
70	2
71	2
72	8
73	4
74	2
75	2
76	4
77	8
78	2
79	2
80	8
81	4
82	2
83	2
84	4
85	8
86	2
87	2
88	8
89	4
90	2
91	2
92	4
93	8
94	2
95	2
96	8
97	4
98	2
99	2
100	4
101	8
102	2
103	2
104	8

n	a(n)
1	4
2	2
3	2
4	4
5	8
6	2
7	2
8	8
9	4
10	2
11	2
12	4
13	8
14	2
15	2
16	8
17	4
18	2
19	2
20	4
21	8
22	2
23	2
24	8
25	4
26	2
27	2
28	4
29	8
30	2
31	2
32	8
33	4
34	2
35	2
36	4
37	8
38	2
39	2
40	8
41	4
42	2
43	2
44	4
45	8
46	2
47	2
48	8
49	4
50	2
51	2
52	4
53	8
54	2
55	2
56	8
57	4
58	2
59	2
60	4
61	8
62	2
63	2
64	8
65	4
66	2
67	2
68	4
69	8
70	2
71	2
72	8
73	4
74	2
75	2
76	4
77	8
78	2
79	2
80	8
81	4
82	2
83	2
84	4
85	8
86	2
87	2
88	8
89	4
90	2
91	2
92	4
93	8
94	2
95	2
96	8
97	4
98	2
99	2
100	4
101	8
102	2
103	2
104	8