A242410 - cp's OEIS frontend

A242410 a(1)=1 and for n>1, a(n) is the smallest number greater than a(n-1) such that a(n) is not divisible by a(d) for any divisor d of n (except 1 and n).

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	16
16	17
17	18
18	19
19	20
20	21
21	22
22	23
23	24
24	29
25	31
26	33
27	34
28	37
29	38
30	41
31	42
32	43
33	44
34	45
35	46
36	47
37	48
38	49
39	50
40	51
41	52
42	53
43	54
44	57
45	58
46	59
47	60
48	61
49	62
50	63
51	64
52	67
53	68
54	71
55	73
56	77
57	79
58	81
59	82
60	83
61	84

[1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 29, 31, 33, 34, 37, 38, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 57, 58, 59, 60, 61, 62, 63, 64, 67, 68, 71, 73, 77, 79, 81, 82, 83, 84]

cp's OEIS Frontend

A242410 a(1)=1 and for n>1, a(n) is the smallest number greater than a(n-1) such that a(n) is not divisible by a(d) for any divisor d of n (except 1 and n).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	16
16	17
17	18
18	19
19	20
20	21
21	22
22	23
23	24
24	29
25	31
26	33
27	34
28	37
29	38
30	41
31	42
32	43
33	44
34	45
35	46
36	47
37	48
38	49
39	50
40	51
41	52
42	53
43	54
44	57
45	58
46	59
47	60
48	61
49	62
50	63
51	64
52	67
53	68
54	71
55	73
56	77
57	79
58	81
59	82
60	83
61	84

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	16
16	17
17	18
18	19
19	20
20	21
21	22
22	23
23	24
24	29
25	31
26	33
27	34
28	37
29	38
30	41
31	42
32	43
33	44
34	45
35	46
36	47
37	48
38	49
39	50
40	51
41	52
42	53
43	54
44	57
45	58
46	59
47	60
48	61
49	62
50	63
51	64
52	67
53	68
54	71
55	73
56	77
57	79
58	81
59	82
60	83
61	84

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	16
16	17
17	18
18	19
19	20
20	21
21	22
22	23
23	24
24	29
25	31
26	33
27	34
28	37
29	38
30	41
31	42
32	43
33	44
34	45
35	46
36	47
37	48
38	49
39	50
40	51
41	52
42	53
43	54
44	57
45	58
46	59
47	60
48	61
49	62
50	63
51	64
52	67
53	68
54	71
55	73
56	77
57	79
58	81
59	82
60	83
61	84