A243491 - cp's OEIS frontend

A243491 Matula-Goebel signature computed for trees rearranged by Catalan automorphism *A069787: a(n) = A127301(A069787(n)).

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

[1, 2, 4, 3, 8, 6, 7, 6, 5, 16, 12, 14, 12, 10, 19, 13, 14, 12, 9, 17, 13, 10, 11, 32, 24, 28, 24, 20, 38, 26, 28, 24, 18, 34, 26, 20, 22, 53, 37, 43, 37, 29, 38, 26, 28, 24, 18, 21, 21, 18, 15, 67, 41, 43, 37, 23, 34, 26, 20, 15, 59, 41, 29, 22, 31, 64, 48, 56, 48, 40]

cp's OEIS Frontend

A243491 Matula-Goebel signature computed for trees rearranged by Catalan automorphism *A069787: a(n) = A127301(A069787(n)).

Table of values

List of values

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

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

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