A232638 - cp's OEIS frontend

A232638 Sequence (or tree) generated by these rules: 1 is in S, and if x is in S, then x + 1 and 2*x - 1 are in S, and duplicates are deleted as they occur.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	6
8	9
9	8
10	13
11	11
12	10
13	17
14	15
15	14
16	25
17	12
18	21
19	19
20	18
21	33
22	16
23	29
24	27
25	26
26	49
27	23
28	22
29	41
30	20
31	37
32	35
33	34
34	65
35	31
36	30
37	57
38	28
39	53
40	51
41	50
42	97
43	24
44	45
45	43
46	42
47	81
48	39
49	38
50	73
51	36
52	69
53	67
54	66
55	129
56	32
57	61
58	59
59	58
60	113
61	55
62	54
63	105
64	52
65	101
66	99

[1, 2, 3, 4, 5, 7, 6, 9, 8, 13, 11, 10, 17, 15, 14, 25, 12, 21, 19, 18, 33, 16, 29, 27, 26, 49, 23, 22, 41, 20, 37, 35, 34, 65, 31, 30, 57, 28, 53, 51, 50, 97, 24, 45, 43, 42, 81, 39, 38, 73, 36, 69, 67, 66, 129, 32, 61, 59, 58, 113, 55, 54, 105, 52, 101, 99]

cp's OEIS Frontend

A232638 Sequence (or tree) generated by these rules: 1 is in S, and if x is in S, then x + 1 and 2*x - 1 are in S, and duplicates are deleted as they occur.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	6
8	9
9	8
10	13
11	11
12	10
13	17
14	15
15	14
16	25
17	12
18	21
19	19
20	18
21	33
22	16
23	29
24	27
25	26
26	49
27	23
28	22
29	41
30	20
31	37
32	35
33	34
34	65
35	31
36	30
37	57
38	28
39	53
40	51
41	50
42	97
43	24
44	45
45	43
46	42
47	81
48	39
49	38
50	73
51	36
52	69
53	67
54	66
55	129
56	32
57	61
58	59
59	58
60	113
61	55
62	54
63	105
64	52
65	101
66	99

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	6
8	9
9	8
10	13
11	11
12	10
13	17
14	15
15	14
16	25
17	12
18	21
19	19
20	18
21	33
22	16
23	29
24	27
25	26
26	49
27	23
28	22
29	41
30	20
31	37
32	35
33	34
34	65
35	31
36	30
37	57
38	28
39	53
40	51
41	50
42	97
43	24
44	45
45	43
46	42
47	81
48	39
49	38
50	73
51	36
52	69
53	67
54	66
55	129
56	32
57	61
58	59
59	58
60	113
61	55
62	54
63	105
64	52
65	101
66	99

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	6
8	9
9	8
10	13
11	11
12	10
13	17
14	15
15	14
16	25
17	12
18	21
19	19
20	18
21	33
22	16
23	29
24	27
25	26
26	49
27	23
28	22
29	41
30	20
31	37
32	35
33	34
34	65
35	31
36	30
37	57
38	28
39	53
40	51
41	50
42	97
43	24
44	45
45	43
46	42
47	81
48	39
49	38
50	73
51	36
52	69
53	67
54	66
55	129
56	32
57	61
58	59
59	58
60	113
61	55
62	54
63	105
64	52
65	101
66	99