A130339 - cp's OEIS frontend

A130339 Signature permutation of a Catalan automorphism: swap the two rightmost subtrees of general trees, if the root degree (A057515(n)) is even.

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

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

cp's OEIS Frontend

A130339 Signature permutation of a Catalan automorphism: swap the two rightmost subtrees of general trees, if the root degree (A057515(n)) is even.

Table of values

List of values

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

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

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