A288118 - cp's OEIS frontend

A288118 Lexicographically earliest sequence of distinct positive terms such that, for any i and j > 0, a(ij) != a(i) a(j).

n	a(n)
1	2
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	10
10	9
11	11
12	13
13	12
14	14
15	16
16	15
17	17
18	19
19	18
20	21
21	20
22	22
23	23
24	25
25	24
26	26
27	27
28	29
29	28
30	31
31	30
32	33
33	32
34	34
35	36
36	35
37	37
38	38
39	39
40	41
41	40
42	43
43	42
44	45
45	44
46	46
47	47
48	49
49	48
50	50
51	52
52	51
53	53
54	54
55	56
56	55
57	57
58	58
59	59
60	60
61	61
62	62
63	63
64	65
65	64
66	67
67	66

[2, 1, 3, 4, 5, 6, 7, 8, 10, 9, 11, 13, 12, 14, 16, 15, 17, 19, 18, 21, 20, 22, 23, 25, 24, 26, 27, 29, 28, 31, 30, 33, 32, 34, 36, 35, 37, 38, 39, 41, 40, 43, 42, 45, 44, 46, 47, 49, 48, 50, 52, 51, 53, 54, 56, 55, 57, 58, 59, 60, 61, 62, 63, 65, 64, 67, 66]

cp's OEIS Frontend

A288118 Lexicographically earliest sequence of distinct positive terms such that, for any i and j > 0, a(ij) != a(i) a(j).

Table of values

List of values

n	a(n)
1	2
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	10
10	9
11	11
12	13
13	12
14	14
15	16
16	15
17	17
18	19
19	18
20	21
21	20
22	22
23	23
24	25
25	24
26	26
27	27
28	29
29	28
30	31
31	30
32	33
33	32
34	34
35	36
36	35
37	37
38	38
39	39
40	41
41	40
42	43
43	42
44	45
45	44
46	46
47	47
48	49
49	48
50	50
51	52
52	51
53	53
54	54
55	56
56	55
57	57
58	58
59	59
60	60
61	61
62	62
63	63
64	65
65	64
66	67
67	66

n	a(n)
1	2
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	10
10	9
11	11
12	13
13	12
14	14
15	16
16	15
17	17
18	19
19	18
20	21
21	20
22	22
23	23
24	25
25	24
26	26
27	27
28	29
29	28
30	31
31	30
32	33
33	32
34	34
35	36
36	35
37	37
38	38
39	39
40	41
41	40
42	43
43	42
44	45
45	44
46	46
47	47
48	49
49	48
50	50
51	52
52	51
53	53
54	54
55	56
56	55
57	57
58	58
59	59
60	60
61	61
62	62
63	63
64	65
65	64
66	67
67	66

cp's OEIS Frontend

A288118 Lexicographically earliest sequence of distinct positive terms such that, for any i and j > 0, a(i*j) != a(i) * a(j).

Table of values

List of values

A288118 Lexicographically earliest sequence of distinct positive terms such that, for any i and j > 0, a(ij) != a(i) a(j).

n	a(n)
1	2
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	10
10	9
11	11
12	13
13	12
14	14
15	16
16	15
17	17
18	19
19	18
20	21
21	20
22	22
23	23
24	25
25	24
26	26
27	27
28	29
29	28
30	31
31	30
32	33
33	32
34	34
35	36
36	35
37	37
38	38
39	39
40	41
41	40
42	43
43	42
44	45
45	44
46	46
47	47
48	49
49	48
50	50
51	52
52	51
53	53
54	54
55	56
56	55
57	57
58	58
59	59
60	60
61	61
62	62
63	63
64	65
65	64
66	67
67	66