A257676 - cp's OEIS frontend

A257676 Permutation of nonnegative integers obtained by traversing the tendrils (finite side-trees) of the binary beanstalk in depth-first order, with also each number in the infinite trunk visited, but only after its sister branch has been traversed first.

n	a(n)
0	0
1	1
2	2
3	3
4	5
5	4
6	6
7	7
8	9
9	8
10	10
11	12
12	13
13	11
14	14
15	15
16	17
17	16
18	18
19	20
20	21
21	19
22	22
23	24
24	25
25	28
26	29
27	23
28	27
29	26
30	30
31	31
32	33
33	32
34	34
35	36
36	37
37	35
38	38
39	40
40	41
41	44
42	45
43	39
44	43
45	42
46	47
47	50
48	54
49	58
50	59
51	55
52	51
53	46
54	48
55	49
56	52
57	53
58	56
59	60
60	61
61	57
62	62
63	63
64	65
65	64
66	66
67	68
68	69
69	67
70	70
71	72
72	73
73	76
74	77
75	71
76	75
77	74
78	79
79	82
80	86
81	90
82	91
83	87
84	83
85	78
86	80
87	81

[0, 1, 2, 3, 5, 4, 6, 7, 9, 8, 10, 12, 13, 11, 14, 15, 17, 16, 18, 20, 21, 19, 22, 24, 25, 28, 29, 23, 27, 26, 30, 31, 33, 32, 34, 36, 37, 35, 38, 40, 41, 44, 45, 39, 43, 42, 47, 50, 54, 58, 59, 55, 51, 46, 48, 49, 52, 53, 56, 60, 61, 57, 62, 63, 65, 64, 66, 68, 69, 67, 70, 72, 73, 76, 77, 71, 75, 74, 79, 82, 86, 90, 91, 87, 83, 78, 80, 81]

cp's OEIS Frontend

A257676 Permutation of nonnegative integers obtained by traversing the tendrils (finite side-trees) of the binary beanstalk in depth-first order, with also each number in the infinite trunk visited, but only after its sister branch has been traversed first.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	5
5	4
6	6
7	7
8	9
9	8
10	10
11	12
12	13
13	11
14	14
15	15
16	17
17	16
18	18
19	20
20	21
21	19
22	22
23	24
24	25
25	28
26	29
27	23
28	27
29	26
30	30
31	31
32	33
33	32
34	34
35	36
36	37
37	35
38	38
39	40
40	41
41	44
42	45
43	39
44	43
45	42
46	47
47	50
48	54
49	58
50	59
51	55
52	51
53	46
54	48
55	49
56	52
57	53
58	56
59	60
60	61
61	57
62	62
63	63
64	65
65	64
66	66
67	68
68	69
69	67
70	70
71	72
72	73
73	76
74	77
75	71
76	75
77	74
78	79
79	82
80	86
81	90
82	91
83	87
84	83
85	78
86	80
87	81

n	a(n)
0	0
1	1
2	2
3	3
4	5
5	4
6	6
7	7
8	9
9	8
10	10
11	12
12	13
13	11
14	14
15	15
16	17
17	16
18	18
19	20
20	21
21	19
22	22
23	24
24	25
25	28
26	29
27	23
28	27
29	26
30	30
31	31
32	33
33	32
34	34
35	36
36	37
37	35
38	38
39	40
40	41
41	44
42	45
43	39
44	43
45	42
46	47
47	50
48	54
49	58
50	59
51	55
52	51
53	46
54	48
55	49
56	52
57	53
58	56
59	60
60	61
61	57
62	62
63	63
64	65
65	64
66	66
67	68
68	69
69	67
70	70
71	72
72	73
73	76
74	77
75	71
76	75
77	74
78	79
79	82
80	86
81	90
82	91
83	87
84	83
85	78
86	80
87	81

n	a(n)
0	0
1	1
2	2
3	3
4	5
5	4
6	6
7	7
8	9
9	8
10	10
11	12
12	13
13	11
14	14
15	15
16	17
17	16
18	18
19	20
20	21
21	19
22	22
23	24
24	25
25	28
26	29
27	23
28	27
29	26
30	30
31	31
32	33
33	32
34	34
35	36
36	37
37	35
38	38
39	40
40	41
41	44
42	45
43	39
44	43
45	42
46	47
47	50
48	54
49	58
50	59
51	55
52	51
53	46
54	48
55	49
56	52
57	53
58	56
59	60
60	61
61	57
62	62
63	63
64	65
65	64
66	66
67	68
68	69
69	67
70	70
71	72
72	73
73	76
74	77
75	71
76	75
77	74
78	79
79	82
80	86
81	90
82	91
83	87
84	83
85	78
86	80
87	81