A122037 - cp's OEIS frontend

A122037 Largest prime factor of number equal to the arithmetic mean of four successive primes.

n	a(n)
1	3
2	3
3	5
4	3
5	11
6	5
7	19
8	7
9	23
10	11
11	5
12	17
13	3
14	29
15	17
16	7
17	3
18	19
19	5
20	127
21	139
22	3
23	149
24	31
25	11
26	7
27	181
28	31
29	13
30	5
31	43
32	19
33	29
34	241
35	19
36	23
37	13
38	53
39	5
40	139
41	97
42	17
43	13
44	53
45	37
46	31
47	11
48	17
49	11
50	127
51	43
52	19
53	7
54	71
55	431
56	7
57	149
58	11
59	79
60	37
61	163
62	11
63	127
64	257
65	41
66	271
67	23
68	43
69	113
70	19
71	3

[3, 3, 5, 3, 11, 5, 19, 7, 23, 11, 5, 17, 3, 29, 17, 7, 3, 19, 5, 127, 139, 3, 149, 31, 11, 7, 181, 31, 13, 5, 43, 19, 29, 241, 19, 23, 13, 53, 5, 139, 97, 17, 13, 53, 37, 31, 11, 17, 11, 127, 43, 19, 7, 71, 431, 7, 149, 11, 79, 37, 163, 11, 127, 257, 41, 271, 23, 43, 113, 19, 3]

cp's OEIS Frontend

A122037 Largest prime factor of number equal to the arithmetic mean of four successive primes.

Table of values

List of values

n	a(n)
1	3
2	3
3	5
4	3
5	11
6	5
7	19
8	7
9	23
10	11
11	5
12	17
13	3
14	29
15	17
16	7
17	3
18	19
19	5
20	127
21	139
22	3
23	149
24	31
25	11
26	7
27	181
28	31
29	13
30	5
31	43
32	19
33	29
34	241
35	19
36	23
37	13
38	53
39	5
40	139
41	97
42	17
43	13
44	53
45	37
46	31
47	11
48	17
49	11
50	127
51	43
52	19
53	7
54	71
55	431
56	7
57	149
58	11
59	79
60	37
61	163
62	11
63	127
64	257
65	41
66	271
67	23
68	43
69	113
70	19
71	3

n	a(n)
1	3
2	3
3	5
4	3
5	11
6	5
7	19
8	7
9	23
10	11
11	5
12	17
13	3
14	29
15	17
16	7
17	3
18	19
19	5
20	127
21	139
22	3
23	149
24	31
25	11
26	7
27	181
28	31
29	13
30	5
31	43
32	19
33	29
34	241
35	19
36	23
37	13
38	53
39	5
40	139
41	97
42	17
43	13
44	53
45	37
46	31
47	11
48	17
49	11
50	127
51	43
52	19
53	7
54	71
55	431
56	7
57	149
58	11
59	79
60	37
61	163
62	11
63	127
64	257
65	41
66	271
67	23
68	43
69	113
70	19
71	3

n	a(n)
1	3
2	3
3	5
4	3
5	11
6	5
7	19
8	7
9	23
10	11
11	5
12	17
13	3
14	29
15	17
16	7
17	3
18	19
19	5
20	127
21	139
22	3
23	149
24	31
25	11
26	7
27	181
28	31
29	13
30	5
31	43
32	19
33	29
34	241
35	19
36	23
37	13
38	53
39	5
40	139
41	97
42	17
43	13
44	53
45	37
46	31
47	11
48	17
49	11
50	127
51	43
52	19
53	7
54	71
55	431
56	7
57	149
58	11
59	79
60	37
61	163
62	11
63	127
64	257
65	41
66	271
67	23
68	43
69	113
70	19
71	3