A069771 - cp's OEIS frontend

A069771 Self-inverse permutation of natural numbers induced by the automorphism RotateHandshakes180 acting on the parenthesizations encoded by A014486.

n	a(n)
0	0
1	1
2	2
3	3
4	7
5	5
6	6
7	4
8	8
9	9
10	14
11	21
12	18
13	13
14	10
15	15
16	20
17	17
18	12
19	19
20	16
21	11
22	22
23	45
24	54
25	31
26	26
27	40
28	44
29	53
30	30
31	25
32	39
33	63
34	59
35	50
36	36
37	46
38	55
39	32
40	27
41	41
42	42
43	51
44	28
45	23
46	37
47	62
48	58
49	49
50	35
51	43
52	52
53	29
54	24
55	38
56	61
57	57
58	48
59	34
60	60
61	56
62	47
63	33
64	64
65	65
66	79
67	107
68	121
69	149
70	170

[0, 1, 2, 3, 7, 5, 6, 4, 8, 9, 14, 21, 18, 13, 10, 15, 20, 17, 12, 19, 16, 11, 22, 45, 54, 31, 26, 40, 44, 53, 30, 25, 39, 63, 59, 50, 36, 46, 55, 32, 27, 41, 42, 51, 28, 23, 37, 62, 58, 49, 35, 43, 52, 29, 24, 38, 61, 57, 48, 34, 60, 56, 47, 33, 64, 65, 79, 107, 121, 149, 170]

cp's OEIS Frontend

A069771 Self-inverse permutation of natural numbers induced by the automorphism RotateHandshakes180 acting on the parenthesizations encoded by A014486.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	7
5	5
6	6
7	4
8	8
9	9
10	14
11	21
12	18
13	13
14	10
15	15
16	20
17	17
18	12
19	19
20	16
21	11
22	22
23	45
24	54
25	31
26	26
27	40
28	44
29	53
30	30
31	25
32	39
33	63
34	59
35	50
36	36
37	46
38	55
39	32
40	27
41	41
42	42
43	51
44	28
45	23
46	37
47	62
48	58
49	49
50	35
51	43
52	52
53	29
54	24
55	38
56	61
57	57
58	48
59	34
60	60
61	56
62	47
63	33
64	64
65	65
66	79
67	107
68	121
69	149
70	170

n	a(n)
0	0
1	1
2	2
3	3
4	7
5	5
6	6
7	4
8	8
9	9
10	14
11	21
12	18
13	13
14	10
15	15
16	20
17	17
18	12
19	19
20	16
21	11
22	22
23	45
24	54
25	31
26	26
27	40
28	44
29	53
30	30
31	25
32	39
33	63
34	59
35	50
36	36
37	46
38	55
39	32
40	27
41	41
42	42
43	51
44	28
45	23
46	37
47	62
48	58
49	49
50	35
51	43
52	52
53	29
54	24
55	38
56	61
57	57
58	48
59	34
60	60
61	56
62	47
63	33
64	64
65	65
66	79
67	107
68	121
69	149
70	170

n	a(n)
0	0
1	1
2	2
3	3
4	7
5	5
6	6
7	4
8	8
9	9
10	14
11	21
12	18
13	13
14	10
15	15
16	20
17	17
18	12
19	19
20	16
21	11
22	22
23	45
24	54
25	31
26	26
27	40
28	44
29	53
30	30
31	25
32	39
33	63
34	59
35	50
36	36
37	46
38	55
39	32
40	27
41	41
42	42
43	51
44	28
45	23
46	37
47	62
48	58
49	49
50	35
51	43
52	52
53	29
54	24
55	38
56	61
57	57
58	48
59	34
60	60
61	56
62	47
63	33
64	64
65	65
66	79
67	107
68	121
69	149
70	170