A007989 - cp's OEIS frontend

A007989 Slowest increasing sequence with property that a(n) does not divide any term of form a(n+m*a(n)) for any m; this is the slowest increasing "non-difference-divisible" sequence.

n	a(n)
0	2
1	3
2	5
3	6
4	7
5	8
6	9
7	11
8	13
9	14
10	17
11	18
12	19
13	20
14	21
15	22
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	32
26	33
27	37
28	41
29	42
30	43
31	44
32	47
33	49
34	53
35	54
36	55
37	58
38	59
39	61
40	65
41	66
42	67
43	68
44	69
45	70
46	71
47	73
48	75
49	76
50	77
51	79
52	83
53	85
54	87
55	88
56	89
57	91
58	95
59	96
60	97
61	98
62	101
63	103
64	107
65	109

[2, 3, 5, 6, 7, 8, 9, 11, 13, 14, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 37, 41, 42, 43, 44, 47, 49, 53, 54, 55, 58, 59, 61, 65, 66, 67, 68, 69, 70, 71, 73, 75, 76, 77, 79, 83, 85, 87, 88, 89, 91, 95, 96, 97, 98, 101, 103, 107, 109]

cp's OEIS Frontend

A007989 Slowest increasing sequence with property that a(n) does not divide any term of form a(n+m*a(n)) for any m; this is the slowest increasing "non-difference-divisible" sequence.

Table of values

List of values

n	a(n)
0	2
1	3
2	5
3	6
4	7
5	8
6	9
7	11
8	13
9	14
10	17
11	18
12	19
13	20
14	21
15	22
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	32
26	33
27	37
28	41
29	42
30	43
31	44
32	47
33	49
34	53
35	54
36	55
37	58
38	59
39	61
40	65
41	66
42	67
43	68
44	69
45	70
46	71
47	73
48	75
49	76
50	77
51	79
52	83
53	85
54	87
55	88
56	89
57	91
58	95
59	96
60	97
61	98
62	101
63	103
64	107
65	109

n	a(n)
0	2
1	3
2	5
3	6
4	7
5	8
6	9
7	11
8	13
9	14
10	17
11	18
12	19
13	20
14	21
15	22
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	32
26	33
27	37
28	41
29	42
30	43
31	44
32	47
33	49
34	53
35	54
36	55
37	58
38	59
39	61
40	65
41	66
42	67
43	68
44	69
45	70
46	71
47	73
48	75
49	76
50	77
51	79
52	83
53	85
54	87
55	88
56	89
57	91
58	95
59	96
60	97
61	98
62	101
63	103
64	107
65	109

n	a(n)
0	2
1	3
2	5
3	6
4	7
5	8
6	9
7	11
8	13
9	14
10	17
11	18
12	19
13	20
14	21
15	22
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	32
26	33
27	37
28	41
29	42
30	43
31	44
32	47
33	49
34	53
35	54
36	55
37	58
38	59
39	61
40	65
41	66
42	67
43	68
44	69
45	70
46	71
47	73
48	75
49	76
50	77
51	79
52	83
53	85
54	87
55	88
56	89
57	91
58	95
59	96
60	97
61	98
62	101
63	103
64	107
65	109