A288923 - cp's OEIS frontend

A288923 Lexicographically earliest sequence of distinct positive terms such that the product of two consecutive terms has at least 6 prime factors (counted with multiplicity).

n	a(n)
1	1
2	64
3	2
4	32
5	3
6	48
7	4
8	16
9	6
10	24
11	8
12	12
13	18
14	20
15	27
16	28
17	30
18	36
19	9
20	40
21	10
22	54
23	14
24	56
25	15
26	60
27	21
28	72
29	5
30	80
31	7
32	96
33	11
34	108
35	13
36	112
37	17
38	120
39	19
40	128
41	22
42	81
43	25
44	84
45	26
46	88
47	33
48	90
49	34
50	100
51	35
52	104
53	38
54	126
55	39
56	132
57	42
58	44
59	45
60	50
61	52
62	63
63	66
64	68
65	70

[1, 64, 2, 32, 3, 48, 4, 16, 6, 24, 8, 12, 18, 20, 27, 28, 30, 36, 9, 40, 10, 54, 14, 56, 15, 60, 21, 72, 5, 80, 7, 96, 11, 108, 13, 112, 17, 120, 19, 128, 22, 81, 25, 84, 26, 88, 33, 90, 34, 100, 35, 104, 38, 126, 39, 132, 42, 44, 45, 50, 52, 63, 66, 68, 70]

cp's OEIS Frontend

A288923 Lexicographically earliest sequence of distinct positive terms such that the product of two consecutive terms has at least 6 prime factors (counted with multiplicity).

Table of values

List of values

n	a(n)
1	1
2	64
3	2
4	32
5	3
6	48
7	4
8	16
9	6
10	24
11	8
12	12
13	18
14	20
15	27
16	28
17	30
18	36
19	9
20	40
21	10
22	54
23	14
24	56
25	15
26	60
27	21
28	72
29	5
30	80
31	7
32	96
33	11
34	108
35	13
36	112
37	17
38	120
39	19
40	128
41	22
42	81
43	25
44	84
45	26
46	88
47	33
48	90
49	34
50	100
51	35
52	104
53	38
54	126
55	39
56	132
57	42
58	44
59	45
60	50
61	52
62	63
63	66
64	68
65	70

n	a(n)
1	1
2	64
3	2
4	32
5	3
6	48
7	4
8	16
9	6
10	24
11	8
12	12
13	18
14	20
15	27
16	28
17	30
18	36
19	9
20	40
21	10
22	54
23	14
24	56
25	15
26	60
27	21
28	72
29	5
30	80
31	7
32	96
33	11
34	108
35	13
36	112
37	17
38	120
39	19
40	128
41	22
42	81
43	25
44	84
45	26
46	88
47	33
48	90
49	34
50	100
51	35
52	104
53	38
54	126
55	39
56	132
57	42
58	44
59	45
60	50
61	52
62	63
63	66
64	68
65	70

n	a(n)
1	1
2	64
3	2
4	32
5	3
6	48
7	4
8	16
9	6
10	24
11	8
12	12
13	18
14	20
15	27
16	28
17	30
18	36
19	9
20	40
21	10
22	54
23	14
24	56
25	15
26	60
27	21
28	72
29	5
30	80
31	7
32	96
33	11
34	108
35	13
36	112
37	17
38	120
39	19
40	128
41	22
42	81
43	25
44	84
45	26
46	88
47	33
48	90
49	34
50	100
51	35
52	104
53	38
54	126
55	39
56	132
57	42
58	44
59	45
60	50
61	52
62	63
63	66
64	68
65	70