A324333 - cp's OEIS frontend

A324333 Numbers d such that A324331(x) = d^2 only when x is a squarefree semiprime (A006881).

n	a(n)
1	1
2	2
3	4
4	6
5	11
6	12
7	14
8	16
9	18
10	20
11	21
12	22
13	24
14	25
15	27
16	29
17	30
18	32
19	34
20	35
21	36
22	38
23	39
24	41
25	42
26	43
27	44
28	45
29	47
30	50
31	51
32	52
33	53
34	54
35	56
36	57
37	58
38	59
39	60
40	64
41	66
42	67
43	68
44	69
45	70
46	71
47	72
48	73
49	74
50	75
51	76
52	77
53	79
54	81
55	83
56	84
57	85
58	86
59	87
60	88
61	89
62	90
63	91
64	92
65	93
66	94
67	95
68	97
69	98
70	100

[1, 2, 4, 6, 11, 12, 14, 16, 18, 20, 21, 22, 24, 25, 27, 29, 30, 32, 34, 35, 36, 38, 39, 41, 42, 43, 44, 45, 47, 50, 51, 52, 53, 54, 56, 57, 58, 59, 60, 64, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 79, 81, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 97, 98, 100]

cp's OEIS Frontend

A324333 Numbers d such that A324331(x) = d^2 only when x is a squarefree semiprime (A006881).

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	6
5	11
6	12
7	14
8	16
9	18
10	20
11	21
12	22
13	24
14	25
15	27
16	29
17	30
18	32
19	34
20	35
21	36
22	38
23	39
24	41
25	42
26	43
27	44
28	45
29	47
30	50
31	51
32	52
33	53
34	54
35	56
36	57
37	58
38	59
39	60
40	64
41	66
42	67
43	68
44	69
45	70
46	71
47	72
48	73
49	74
50	75
51	76
52	77
53	79
54	81
55	83
56	84
57	85
58	86
59	87
60	88
61	89
62	90
63	91
64	92
65	93
66	94
67	95
68	97
69	98
70	100

n	a(n)
1	1
2	2
3	4
4	6
5	11
6	12
7	14
8	16
9	18
10	20
11	21
12	22
13	24
14	25
15	27
16	29
17	30
18	32
19	34
20	35
21	36
22	38
23	39
24	41
25	42
26	43
27	44
28	45
29	47
30	50
31	51
32	52
33	53
34	54
35	56
36	57
37	58
38	59
39	60
40	64
41	66
42	67
43	68
44	69
45	70
46	71
47	72
48	73
49	74
50	75
51	76
52	77
53	79
54	81
55	83
56	84
57	85
58	86
59	87
60	88
61	89
62	90
63	91
64	92
65	93
66	94
67	95
68	97
69	98
70	100

n	a(n)
1	1
2	2
3	4
4	6
5	11
6	12
7	14
8	16
9	18
10	20
11	21
12	22
13	24
14	25
15	27
16	29
17	30
18	32
19	34
20	35
21	36
22	38
23	39
24	41
25	42
26	43
27	44
28	45
29	47
30	50
31	51
32	52
33	53
34	54
35	56
36	57
37	58
38	59
39	60
40	64
41	66
42	67
43	68
44	69
45	70
46	71
47	72
48	73
49	74
50	75
51	76
52	77
53	79
54	81
55	83
56	84
57	85
58	86
59	87
60	88
61	89
62	90
63	91
64	92
65	93
66	94
67	95
68	97
69	98
70	100