A361198 - cp's OEIS frontend

A361198 Consider a perfect infinite binary tree with nodes labeled with distinct positive integers where n appears at level A082850(n) and each level is filled from left to right; a(n) is the sibling of n in this tree.

n	a(n)
1	2
2	1
3	6
4	5
5	4
6	3
7	14
8	9
9	8
10	13
11	12
12	11
13	10
14	7
15	30
16	17
17	16
18	21
19	20
20	19
21	18
22	29
23	24
24	23
25	28
26	27
27	26
28	25
29	22
30	15
31	62
32	33
33	32
34	37
35	36
36	35
37	34
38	45
39	40
40	39
41	44
42	43
43	42
44	41
45	38
46	61
47	48
48	47
49	52
50	51
51	50
52	49
53	60
54	55
55	54
56	59
57	58
58	57
59	56
60	53
61	46
62	31
63	126
64	65
65	64
66	69
67	68

[2, 1, 6, 5, 4, 3, 14, 9, 8, 13, 12, 11, 10, 7, 30, 17, 16, 21, 20, 19, 18, 29, 24, 23, 28, 27, 26, 25, 22, 15, 62, 33, 32, 37, 36, 35, 34, 45, 40, 39, 44, 43, 42, 41, 38, 61, 48, 47, 52, 51, 50, 49, 60, 55, 54, 59, 58, 57, 56, 53, 46, 31, 126, 65, 64, 69, 68]

cp's OEIS Frontend

A361198 Consider a perfect infinite binary tree with nodes labeled with distinct positive integers where n appears at level A082850(n) and each level is filled from left to right; a(n) is the sibling of n in this tree.

Table of values

List of values

n	a(n)
1	2
2	1
3	6
4	5
5	4
6	3
7	14
8	9
9	8
10	13
11	12
12	11
13	10
14	7
15	30
16	17
17	16
18	21
19	20
20	19
21	18
22	29
23	24
24	23
25	28
26	27
27	26
28	25
29	22
30	15
31	62
32	33
33	32
34	37
35	36
36	35
37	34
38	45
39	40
40	39
41	44
42	43
43	42
44	41
45	38
46	61
47	48
48	47
49	52
50	51
51	50
52	49
53	60
54	55
55	54
56	59
57	58
58	57
59	56
60	53
61	46
62	31
63	126
64	65
65	64
66	69
67	68

n	a(n)
1	2
2	1
3	6
4	5
5	4
6	3
7	14
8	9
9	8
10	13
11	12
12	11
13	10
14	7
15	30
16	17
17	16
18	21
19	20
20	19
21	18
22	29
23	24
24	23
25	28
26	27
27	26
28	25
29	22
30	15
31	62
32	33
33	32
34	37
35	36
36	35
37	34
38	45
39	40
40	39
41	44
42	43
43	42
44	41
45	38
46	61
47	48
48	47
49	52
50	51
51	50
52	49
53	60
54	55
55	54
56	59
57	58
58	57
59	56
60	53
61	46
62	31
63	126
64	65
65	64
66	69
67	68

n	a(n)
1	2
2	1
3	6
4	5
5	4
6	3
7	14
8	9
9	8
10	13
11	12
12	11
13	10
14	7
15	30
16	17
17	16
18	21
19	20
20	19
21	18
22	29
23	24
24	23
25	28
26	27
27	26
28	25
29	22
30	15
31	62
32	33
33	32
34	37
35	36
36	35
37	34
38	45
39	40
40	39
41	44
42	43
43	42
44	41
45	38
46	61
47	48
48	47
49	52
50	51
51	50
52	49
53	60
54	55
55	54
56	59
57	58
58	57
59	56
60	53
61	46
62	31
63	126
64	65
65	64
66	69
67	68