A341416 - cp's OEIS frontend

A341416 a(n) is the least k such that the product of indices of unitary prime power divisors of k is n.

n	a(n)
1	1
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	16
11	17
12	19
13	23
14	25
15	27
16	29
17	31
18	32
19	37
20	35
21	36
22	47
23	49
24	40
25	59
26	61
27	52
28	45
29	71
30	56
31	79
32	55
33	68
34	89
35	63
36	65
37	103
38	107
39	92
40	77
41	121
42	72
43	127
44	85
45	91
46	137
47	139
48	88
49	151
50	112
51	124
52	115
53	169
54	104
55	119
56	99
57	148
58	193
59	197
60	133
61	211
62	223
63	117
64	145
65	161
66	136
67	241
68	155
69	196

[1, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19, 23, 25, 27, 29, 31, 32, 37, 35, 36, 47, 49, 40, 59, 61, 52, 45, 71, 56, 79, 55, 68, 89, 63, 65, 103, 107, 92, 77, 121, 72, 127, 85, 91, 137, 139, 88, 151, 112, 124, 115, 169, 104, 119, 99, 148, 193, 197, 133, 211, 223, 117, 145, 161, 136, 241, 155, 196]

cp's OEIS Frontend

A341416 a(n) is the least k such that the product of indices of unitary prime power divisors of k is n.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	16
11	17
12	19
13	23
14	25
15	27
16	29
17	31
18	32
19	37
20	35
21	36
22	47
23	49
24	40
25	59
26	61
27	52
28	45
29	71
30	56
31	79
32	55
33	68
34	89
35	63
36	65
37	103
38	107
39	92
40	77
41	121
42	72
43	127
44	85
45	91
46	137
47	139
48	88
49	151
50	112
51	124
52	115
53	169
54	104
55	119
56	99
57	148
58	193
59	197
60	133
61	211
62	223
63	117
64	145
65	161
66	136
67	241
68	155
69	196

n	a(n)
1	1
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	16
11	17
12	19
13	23
14	25
15	27
16	29
17	31
18	32
19	37
20	35
21	36
22	47
23	49
24	40
25	59
26	61
27	52
28	45
29	71
30	56
31	79
32	55
33	68
34	89
35	63
36	65
37	103
38	107
39	92
40	77
41	121
42	72
43	127
44	85
45	91
46	137
47	139
48	88
49	151
50	112
51	124
52	115
53	169
54	104
55	119
56	99
57	148
58	193
59	197
60	133
61	211
62	223
63	117
64	145
65	161
66	136
67	241
68	155
69	196

n	a(n)
1	1
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	16
11	17
12	19
13	23
14	25
15	27
16	29
17	31
18	32
19	37
20	35
21	36
22	47
23	49
24	40
25	59
26	61
27	52
28	45
29	71
30	56
31	79
32	55
33	68
34	89
35	63
36	65
37	103
38	107
39	92
40	77
41	121
42	72
43	127
44	85
45	91
46	137
47	139
48	88
49	151
50	112
51	124
52	115
53	169
54	104
55	119
56	99
57	148
58	193
59	197
60	133
61	211
62	223
63	117
64	145
65	161
66	136
67	241
68	155
69	196