A260234 - cp's OEIS frontend

A260234 Largest prime factor of the n-th hexagonal number (A000384).

n	a(n)
2	3
3	5
4	7
5	5
6	11
7	13
8	5
9	17
10	19
11	11
12	23
13	13
14	7
15	29
16	31
17	17
18	7
19	37
20	13
21	41
22	43
23	23
24	47
25	7
26	17
27	53
28	11
29	29
30	59
31	61
32	7
33	13
34	67
35	23
36	71
37	73
38	19
39	13
40	79
41	41
42	83
43	43
44	29
45	89
46	23
47	47
48	19
49	97
50	11
51	101
52	103
53	53
54	107
55	109
56	37
57	113
58	29
59	59
60	17
61	61
62	41
63	7
64	127
65	43
66	131

[3, 5, 7, 5, 11, 13, 5, 17, 19, 11, 23, 13, 7, 29, 31, 17, 7, 37, 13, 41, 43, 23, 47, 7, 17, 53, 11, 29, 59, 61, 7, 13, 67, 23, 71, 73, 19, 13, 79, 41, 83, 43, 29, 89, 23, 47, 19, 97, 11, 101, 103, 53, 107, 109, 37, 113, 29, 59, 17, 61, 41, 7, 127, 43, 131]

cp's OEIS Frontend

A260234 Largest prime factor of the n-th hexagonal number (A000384).

Table of values

List of values

n	a(n)
2	3
3	5
4	7
5	5
6	11
7	13
8	5
9	17
10	19
11	11
12	23
13	13
14	7
15	29
16	31
17	17
18	7
19	37
20	13
21	41
22	43
23	23
24	47
25	7
26	17
27	53
28	11
29	29
30	59
31	61
32	7
33	13
34	67
35	23
36	71
37	73
38	19
39	13
40	79
41	41
42	83
43	43
44	29
45	89
46	23
47	47
48	19
49	97
50	11
51	101
52	103
53	53
54	107
55	109
56	37
57	113
58	29
59	59
60	17
61	61
62	41
63	7
64	127
65	43
66	131

n	a(n)
2	3
3	5
4	7
5	5
6	11
7	13
8	5
9	17
10	19
11	11
12	23
13	13
14	7
15	29
16	31
17	17
18	7
19	37
20	13
21	41
22	43
23	23
24	47
25	7
26	17
27	53
28	11
29	29
30	59
31	61
32	7
33	13
34	67
35	23
36	71
37	73
38	19
39	13
40	79
41	41
42	83
43	43
44	29
45	89
46	23
47	47
48	19
49	97
50	11
51	101
52	103
53	53
54	107
55	109
56	37
57	113
58	29
59	59
60	17
61	61
62	41
63	7
64	127
65	43
66	131

n	a(n)
2	3
3	5
4	7
5	5
6	11
7	13
8	5
9	17
10	19
11	11
12	23
13	13
14	7
15	29
16	31
17	17
18	7
19	37
20	13
21	41
22	43
23	23
24	47
25	7
26	17
27	53
28	11
29	29
30	59
31	61
32	7
33	13
34	67
35	23
36	71
37	73
38	19
39	13
40	79
41	41
42	83
43	43
44	29
45	89
46	23
47	47
48	19
49	97
50	11
51	101
52	103
53	53
54	107
55	109
56	37
57	113
58	29
59	59
60	17
61	61
62	41
63	7
64	127
65	43
66	131