A121701 - cp's OEIS frontend

A121701 Lexicographically earliest sequence such that a(m)<>a(n) for all m with m<>n except either for m=2n or n=2m.

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	2
7	5
8	3
9	6
10	4
11	7
12	8
13	9
14	5
15	10
16	11
17	12
18	6
19	13
20	14
21	15
22	7
23	16
24	8
25	17
26	9
27	18
28	19
29	20
30	10
31	21
32	11
33	22
34	12
35	23
36	24
37	25
38	13
39	26
40	14
41	27
42	15
43	28
44	29
45	30
46	16
47	31
48	32
49	33
50	17
51	34
52	35
53	36
54	18
55	37
56	19
57	38
58	20
59	39
60	40
61	41
62	21
63	42
64	43
65	44
66	22
67	45
68	46
69	47
70	23
71	48
72	24
73	49
74	25
75	50

[1, 1, 2, 3, 4, 2, 5, 3, 6, 4, 7, 8, 9, 5, 10, 11, 12, 6, 13, 14, 15, 7, 16, 8, 17, 9, 18, 19, 20, 10, 21, 11, 22, 12, 23, 24, 25, 13, 26, 14, 27, 15, 28, 29, 30, 16, 31, 32, 33, 17, 34, 35, 36, 18, 37, 19, 38, 20, 39, 40, 41, 21, 42, 43, 44, 22, 45, 46, 47, 23, 48, 24, 49, 25, 50]

cp's OEIS Frontend

A121701 Lexicographically earliest sequence such that a(m)<>a(n) for all m with m<>n except either for m=2n or n=2m.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	2
7	5
8	3
9	6
10	4
11	7
12	8
13	9
14	5
15	10
16	11
17	12
18	6
19	13
20	14
21	15
22	7
23	16
24	8
25	17
26	9
27	18
28	19
29	20
30	10
31	21
32	11
33	22
34	12
35	23
36	24
37	25
38	13
39	26
40	14
41	27
42	15
43	28
44	29
45	30
46	16
47	31
48	32
49	33
50	17
51	34
52	35
53	36
54	18
55	37
56	19
57	38
58	20
59	39
60	40
61	41
62	21
63	42
64	43
65	44
66	22
67	45
68	46
69	47
70	23
71	48
72	24
73	49
74	25
75	50

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	2
7	5
8	3
9	6
10	4
11	7
12	8
13	9
14	5
15	10
16	11
17	12
18	6
19	13
20	14
21	15
22	7
23	16
24	8
25	17
26	9
27	18
28	19
29	20
30	10
31	21
32	11
33	22
34	12
35	23
36	24
37	25
38	13
39	26
40	14
41	27
42	15
43	28
44	29
45	30
46	16
47	31
48	32
49	33
50	17
51	34
52	35
53	36
54	18
55	37
56	19
57	38
58	20
59	39
60	40
61	41
62	21
63	42
64	43
65	44
66	22
67	45
68	46
69	47
70	23
71	48
72	24
73	49
74	25
75	50

cp's OEIS Frontend

A121701 Lexicographically earliest sequence such that a(m)<>a(n) for all m with m<>n except either for m=2*n or n=2*m.

Table of values

List of values

A121701 Lexicographically earliest sequence such that a(m)<>a(n) for all m with m<>n except either for m=2n or n=2m.

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	2
7	5
8	3
9	6
10	4
11	7
12	8
13	9
14	5
15	10
16	11
17	12
18	6
19	13
20	14
21	15
22	7
23	16
24	8
25	17
26	9
27	18
28	19
29	20
30	10
31	21
32	11
33	22
34	12
35	23
36	24
37	25
38	13
39	26
40	14
41	27
42	15
43	28
44	29
45	30
46	16
47	31
48	32
49	33
50	17
51	34
52	35
53	36
54	18
55	37
56	19
57	38
58	20
59	39
60	40
61	41
62	21
63	42
64	43
65	44
66	22
67	45
68	46
69	47
70	23
71	48
72	24
73	49
74	25
75	50