A124319 - cp's OEIS frontend

A124319 Semiprime(3almostprime(n))-3almostprime(semiprime(n)). Commutator[A001358, A014612] at n.

n	a(n)
1	2
2	6
3	7
4	12
5	16
6	17
7	-11
8	24
9	23
10	20
11	-1
12	10
13	48
14	40
15	39
16	26
17	14
18	4
19	-1
20	51
21	60
22	48
23	48
24	43
25	31
26	39
27	22
28	15
29	37
30	32
31	39
32	60
33	90
34	82
35	68
36	63
37	64
38	58
39	66
40	51
41	53
42	48
43	28
44	34
45	42
46	24
47	28
48	39
49	87
50	96
51	106
52	124
53	124
54	135
55	131
56	131
57	88
58	91
59	72
60	96
61	103
62	83
63	83
64	81
65	91

[2, 6, 7, 12, 16, 17, -11, 24, 23, 20, -1, 10, 48, 40, 39, 26, 14, 4, -1, 51, 60, 48, 48, 43, 31, 39, 22, 15, 37, 32, 39, 60, 90, 82, 68, 63, 64, 58, 66, 51, 53, 48, 28, 34, 42, 24, 28, 39, 87, 96, 106, 124, 124, 135, 131, 131, 88, 91, 72, 96, 103, 83, 83, 81, 91]

cp's OEIS Frontend

A124319 Semiprime(3almostprime(n))-3almostprime(semiprime(n)). Commutator[A001358, A014612] at n.

Table of values

List of values

n	a(n)
1	2
2	6
3	7
4	12
5	16
6	17
7	-11
8	24
9	23
10	20
11	-1
12	10
13	48
14	40
15	39
16	26
17	14
18	4
19	-1
20	51
21	60
22	48
23	48
24	43
25	31
26	39
27	22
28	15
29	37
30	32
31	39
32	60
33	90
34	82
35	68
36	63
37	64
38	58
39	66
40	51
41	53
42	48
43	28
44	34
45	42
46	24
47	28
48	39
49	87
50	96
51	106
52	124
53	124
54	135
55	131
56	131
57	88
58	91
59	72
60	96
61	103
62	83
63	83
64	81
65	91

n	a(n)
1	2
2	6
3	7
4	12
5	16
6	17
7	-11
8	24
9	23
10	20
11	-1
12	10
13	48
14	40
15	39
16	26
17	14
18	4
19	-1
20	51
21	60
22	48
23	48
24	43
25	31
26	39
27	22
28	15
29	37
30	32
31	39
32	60
33	90
34	82
35	68
36	63
37	64
38	58
39	66
40	51
41	53
42	48
43	28
44	34
45	42
46	24
47	28
48	39
49	87
50	96
51	106
52	124
53	124
54	135
55	131
56	131
57	88
58	91
59	72
60	96
61	103
62	83
63	83
64	81
65	91

n	a(n)
1	2
2	6
3	7
4	12
5	16
6	17
7	-11
8	24
9	23
10	20
11	-1
12	10
13	48
14	40
15	39
16	26
17	14
18	4
19	-1
20	51
21	60
22	48
23	48
24	43
25	31
26	39
27	22
28	15
29	37
30	32
31	39
32	60
33	90
34	82
35	68
36	63
37	64
38	58
39	66
40	51
41	53
42	48
43	28
44	34
45	42
46	24
47	28
48	39
49	87
50	96
51	106
52	124
53	124
54	135
55	131
56	131
57	88
58	91
59	72
60	96
61	103
62	83
63	83
64	81
65	91