A076566 - cp's OEIS frontend

A076566 Greatest prime divisor of 3n+3 (sum of three successive integers).

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

[3, 3, 3, 5, 3, 7, 3, 3, 5, 11, 3, 13, 7, 5, 3, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 5, 31, 3, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 3, 7, 5, 17, 13, 53, 3, 11, 7, 19, 29, 59, 5, 61, 31, 7, 3, 13, 11, 67, 17, 23, 7, 71, 3, 73, 37, 5, 19, 11, 13, 79, 5, 3, 41, 83, 7]

cp's OEIS Frontend

A076566 Greatest prime divisor of 3n+3 (sum of three successive integers).

Table of values

List of values

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

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

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