A018252 - cp's OEIS frontend

A018252 The nonprime numbers: 1 together with the composite numbers, A002808.

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	10
7	12
8	14
9	15
10	16
11	18
12	20
13	21
14	22
15	24
16	25
17	26
18	27
19	28
20	30
21	32
22	33
23	34
24	35
25	36
26	38
27	39
28	40
29	42
30	44
31	45
32	46
33	48
34	49
35	50
36	51
37	52
38	54
39	55
40	56
41	57
42	58
43	60
44	62
45	63
46	64
47	65
48	66
49	68
50	69
51	70
52	72
53	74
54	75
55	76
56	77
57	78
58	80
59	81
60	82
61	84
62	85
63	86
64	87
65	88

[1, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88]

cp's OEIS Frontend

A018252 The nonprime numbers: 1 together with the composite numbers, A002808.

Table of values

List of values

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	10
7	12
8	14
9	15
10	16
11	18
12	20
13	21
14	22
15	24
16	25
17	26
18	27
19	28
20	30
21	32
22	33
23	34
24	35
25	36
26	38
27	39
28	40
29	42
30	44
31	45
32	46
33	48
34	49
35	50
36	51
37	52
38	54
39	55
40	56
41	57
42	58
43	60
44	62
45	63
46	64
47	65
48	66
49	68
50	69
51	70
52	72
53	74
54	75
55	76
56	77
57	78
58	80
59	81
60	82
61	84
62	85
63	86
64	87
65	88

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	10
7	12
8	14
9	15
10	16
11	18
12	20
13	21
14	22
15	24
16	25
17	26
18	27
19	28
20	30
21	32
22	33
23	34
24	35
25	36
26	38
27	39
28	40
29	42
30	44
31	45
32	46
33	48
34	49
35	50
36	51
37	52
38	54
39	55
40	56
41	57
42	58
43	60
44	62
45	63
46	64
47	65
48	66
49	68
50	69
51	70
52	72
53	74
54	75
55	76
56	77
57	78
58	80
59	81
60	82
61	84
62	85
63	86
64	87
65	88

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	10
7	12
8	14
9	15
10	16
11	18
12	20
13	21
14	22
15	24
16	25
17	26
18	27
19	28
20	30
21	32
22	33
23	34
24	35
25	36
26	38
27	39
28	40
29	42
30	44
31	45
32	46
33	48
34	49
35	50
36	51
37	52
38	54
39	55
40	56
41	57
42	58
43	60
44	62
45	63
46	64
47	65
48	66
49	68
50	69
51	70
52	72
53	74
54	75
55	76
56	77
57	78
58	80
59	81
60	82
61	84
62	85
63	86
64	87
65	88