A122444 - cp's OEIS frontend

A122444 Greatest prime factor of powers of semiprimes.

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

[1, 2, 3, 3, 5, 7, 5, 2, 7, 11, 5, 13, 11, 17, 7, 3, 19, 13, 23, 7, 17, 11, 19, 29, 31, 2, 13, 23, 37, 11, 3, 41, 17, 43, 29, 13, 31, 47, 19, 5, 53, 37, 23, 59, 17, 11, 61, 41, 43, 19, 67, 47, 71, 13, 29, 73, 31, 79, 53, 23, 83]

cp's OEIS Frontend

A122444 Greatest prime factor of powers of semiprimes.

Table of values

List of values

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

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

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