A069770 - cp's OEIS frontend

A069770 Signature permutation of the first non-identity, nonrecursive Catalan automorphism in table A089840: swap the top branches of a binary tree. An involution of nonnegative integers.

n	a(n)
0	0
1	1
2	3
3	2
4	7
5	8
6	6
7	4
8	5
9	17
10	18
11	20
12	21
13	22
14	16
15	19
16	14
17	9
18	10
19	15
20	11
21	12
22	13
23	45
24	46
25	48
26	49
27	50
28	54
29	55
30	57
31	58
32	59
33	61
34	62
35	63
36	64
37	44
38	47
39	53
40	56
41	60
42	42
43	51
44	37
45	23
46	24
47	38
48	25
49	26
50	27
51	43
52	52
53	39
54	28
55	29
56	40
57	30
58	31
59	32
60	41
61	33
62	34
63	35
64	36
65	129
66	130
67	132
68	133
69	134

[0, 1, 3, 2, 7, 8, 6, 4, 5, 17, 18, 20, 21, 22, 16, 19, 14, 9, 10, 15, 11, 12, 13, 45, 46, 48, 49, 50, 54, 55, 57, 58, 59, 61, 62, 63, 64, 44, 47, 53, 56, 60, 42, 51, 37, 23, 24, 38, 25, 26, 27, 43, 52, 39, 28, 29, 40, 30, 31, 32, 41, 33, 34, 35, 36, 129, 130, 132, 133, 134]

cp's OEIS Frontend

A069770 Signature permutation of the first non-identity, nonrecursive Catalan automorphism in table A089840: swap the top branches of a binary tree. An involution of nonnegative integers.

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	2
4	7
5	8
6	6
7	4
8	5
9	17
10	18
11	20
12	21
13	22
14	16
15	19
16	14
17	9
18	10
19	15
20	11
21	12
22	13
23	45
24	46
25	48
26	49
27	50
28	54
29	55
30	57
31	58
32	59
33	61
34	62
35	63
36	64
37	44
38	47
39	53
40	56
41	60
42	42
43	51
44	37
45	23
46	24
47	38
48	25
49	26
50	27
51	43
52	52
53	39
54	28
55	29
56	40
57	30
58	31
59	32
60	41
61	33
62	34
63	35
64	36
65	129
66	130
67	132
68	133
69	134

n	a(n)
0	0
1	1
2	3
3	2
4	7
5	8
6	6
7	4
8	5
9	17
10	18
11	20
12	21
13	22
14	16
15	19
16	14
17	9
18	10
19	15
20	11
21	12
22	13
23	45
24	46
25	48
26	49
27	50
28	54
29	55
30	57
31	58
32	59
33	61
34	62
35	63
36	64
37	44
38	47
39	53
40	56
41	60
42	42
43	51
44	37
45	23
46	24
47	38
48	25
49	26
50	27
51	43
52	52
53	39
54	28
55	29
56	40
57	30
58	31
59	32
60	41
61	33
62	34
63	35
64	36
65	129
66	130
67	132
68	133
69	134

n	a(n)
0	0
1	1
2	3
3	2
4	7
5	8
6	6
7	4
8	5
9	17
10	18
11	20
12	21
13	22
14	16
15	19
16	14
17	9
18	10
19	15
20	11
21	12
22	13
23	45
24	46
25	48
26	49
27	50
28	54
29	55
30	57
31	58
32	59
33	61
34	62
35	63
36	64
37	44
38	47
39	53
40	56
41	60
42	42
43	51
44	37
45	23
46	24
47	38
48	25
49	26
50	27
51	43
52	52
53	39
54	28
55	29
56	40
57	30
58	31
59	32
60	41
61	33
62	34
63	35
64	36
65	129
66	130
67	132
68	133
69	134