A232640 - cp's OEIS frontend

A232640 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	5
5	4
6	7
7	6
8	11
9	9
10	8
11	15
12	13
13	12
14	23
15	10
16	19
17	17
18	16
19	31
20	14
21	27
22	25
23	24
24	47
25	21
26	20
27	39
28	18
29	35
30	33
31	32
32	63
33	29
34	28
35	55
36	26
37	51
38	49
39	48
40	95
41	22
42	43
43	41
44	40
45	79
46	37
47	36
48	71
49	34
50	67
51	65
52	64
53	127
54	30
55	59
56	57
57	56
58	111
59	53
60	52
61	103
62	50
63	99
64	97
65	96
66	191

[1, 2, 3, 5, 4, 7, 6, 11, 9, 8, 15, 13, 12, 23, 10, 19, 17, 16, 31, 14, 27, 25, 24, 47, 21, 20, 39, 18, 35, 33, 32, 63, 29, 28, 55, 26, 51, 49, 48, 95, 22, 43, 41, 40, 79, 37, 36, 71, 34, 67, 65, 64, 127, 30, 59, 57, 56, 111, 53, 52, 103, 50, 99, 97, 96, 191]

cp's OEIS Frontend

A232640 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	5
5	4
6	7
7	6
8	11
9	9
10	8
11	15
12	13
13	12
14	23
15	10
16	19
17	17
18	16
19	31
20	14
21	27
22	25
23	24
24	47
25	21
26	20
27	39
28	18
29	35
30	33
31	32
32	63
33	29
34	28
35	55
36	26
37	51
38	49
39	48
40	95
41	22
42	43
43	41
44	40
45	79
46	37
47	36
48	71
49	34
50	67
51	65
52	64
53	127
54	30
55	59
56	57
57	56
58	111
59	53
60	52
61	103
62	50
63	99
64	97
65	96
66	191

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	6
8	11
9	9
10	8
11	15
12	13
13	12
14	23
15	10
16	19
17	17
18	16
19	31
20	14
21	27
22	25
23	24
24	47
25	21
26	20
27	39
28	18
29	35
30	33
31	32
32	63
33	29
34	28
35	55
36	26
37	51
38	49
39	48
40	95
41	22
42	43
43	41
44	40
45	79
46	37
47	36
48	71
49	34
50	67
51	65
52	64
53	127
54	30
55	59
56	57
57	56
58	111
59	53
60	52
61	103
62	50
63	99
64	97
65	96
66	191

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	6
8	11
9	9
10	8
11	15
12	13
13	12
14	23
15	10
16	19
17	17
18	16
19	31
20	14
21	27
22	25
23	24
24	47
25	21
26	20
27	39
28	18
29	35
30	33
31	32
32	63
33	29
34	28
35	55
36	26
37	51
38	49
39	48
40	95
41	22
42	43
43	41
44	40
45	79
46	37
47	36
48	71
49	34
50	67
51	65
52	64
53	127
54	30
55	59
56	57
57	56
58	111
59	53
60	52
61	103
62	50
63	99
64	97
65	96
66	191