A333227 - cp's OEIS frontend

A333227 Numbers k such that the k-th composition in standard order is pairwise coprime, where a singleton is not coprime unless it is (1).

n	a(n)
1	1
2	3
3	5
4	6
5	7
6	9
7	11
8	12
9	13
10	14
11	15
12	17
13	18
14	19
15	20
16	23
17	24
18	25
19	27
20	28
21	29
22	30
23	31
24	33
25	35
26	37
27	38
28	39
29	41
30	44
31	47
32	48
33	49
34	50
35	51
36	52
37	55
38	56
39	57
40	59
41	60
42	61
43	62
44	63
45	65
46	66
47	67
48	68
49	71
50	72
51	75
52	77
53	78
54	79
55	80
56	83
57	89
58	92
59	95
60	96
61	97
62	99
63	101
64	102
65	103
66	105

[1, 3, 5, 6, 7, 9, 11, 12, 13, 14, 15, 17, 18, 19, 20, 23, 24, 25, 27, 28, 29, 30, 31, 33, 35, 37, 38, 39, 41, 44, 47, 48, 49, 50, 51, 52, 55, 56, 57, 59, 60, 61, 62, 63, 65, 66, 67, 68, 71, 72, 75, 77, 78, 79, 80, 83, 89, 92, 95, 96, 97, 99, 101, 102, 103, 105]

cp's OEIS Frontend

A333227 Numbers k such that the k-th composition in standard order is pairwise coprime, where a singleton is not coprime unless it is (1).

Table of values

List of values

n	a(n)
1	1
2	3
3	5
4	6
5	7
6	9
7	11
8	12
9	13
10	14
11	15
12	17
13	18
14	19
15	20
16	23
17	24
18	25
19	27
20	28
21	29
22	30
23	31
24	33
25	35
26	37
27	38
28	39
29	41
30	44
31	47
32	48
33	49
34	50
35	51
36	52
37	55
38	56
39	57
40	59
41	60
42	61
43	62
44	63
45	65
46	66
47	67
48	68
49	71
50	72
51	75
52	77
53	78
54	79
55	80
56	83
57	89
58	92
59	95
60	96
61	97
62	99
63	101
64	102
65	103
66	105

n	a(n)
1	1
2	3
3	5
4	6
5	7
6	9
7	11
8	12
9	13
10	14
11	15
12	17
13	18
14	19
15	20
16	23
17	24
18	25
19	27
20	28
21	29
22	30
23	31
24	33
25	35
26	37
27	38
28	39
29	41
30	44
31	47
32	48
33	49
34	50
35	51
36	52
37	55
38	56
39	57
40	59
41	60
42	61
43	62
44	63
45	65
46	66
47	67
48	68
49	71
50	72
51	75
52	77
53	78
54	79
55	80
56	83
57	89
58	92
59	95
60	96
61	97
62	99
63	101
64	102
65	103
66	105

n	a(n)
1	1
2	3
3	5
4	6
5	7
6	9
7	11
8	12
9	13
10	14
11	15
12	17
13	18
14	19
15	20
16	23
17	24
18	25
19	27
20	28
21	29
22	30
23	31
24	33
25	35
26	37
27	38
28	39
29	41
30	44
31	47
32	48
33	49
34	50
35	51
36	52
37	55
38	56
39	57
40	59
41	60
42	61
43	62
44	63
45	65
46	66
47	67
48	68
49	71
50	72
51	75
52	77
53	78
54	79
55	80
56	83
57	89
58	92
59	95
60	96
61	97
62	99
63	101
64	102
65	103
66	105