A057548 - cp's OEIS frontend

A057548 A014486-indices of Catalan mountain ranges with no sea-level valleys, i.e., the rooted plane general trees with root degree = 1.

n	a(n)
0	1
1	3
2	7
3	8
4	17
5	18
6	20
7	21
8	22
9	45
10	46
11	48
12	49
13	50
14	54
15	55
16	57
17	58
18	59
19	61
20	62
21	63
22	64
23	129
24	130
25	132
26	133
27	134
28	138
29	139
30	141
31	142
32	143
33	145
34	146
35	147
36	148
37	157
38	158
39	160
40	161
41	162
42	166
43	167
44	169
45	170
46	171
47	173
48	174
49	175
50	176
51	180
52	181
53	183
54	184
55	185
56	187
57	188

[1, 3, 7, 8, 17, 18, 20, 21, 22, 45, 46, 48, 49, 50, 54, 55, 57, 58, 59, 61, 62, 63, 64, 129, 130, 132, 133, 134, 138, 139, 141, 142, 143, 145, 146, 147, 148, 157, 158, 160, 161, 162, 166, 167, 169, 170, 171, 173, 174, 175, 176, 180, 181, 183, 184, 185, 187, 188]

cp's OEIS Frontend

A057548 A014486-indices of Catalan mountain ranges with no sea-level valleys, i.e., the rooted plane general trees with root degree = 1.

Table of values

List of values

n	a(n)
0	1
1	3
2	7
3	8
4	17
5	18
6	20
7	21
8	22
9	45
10	46
11	48
12	49
13	50
14	54
15	55
16	57
17	58
18	59
19	61
20	62
21	63
22	64
23	129
24	130
25	132
26	133
27	134
28	138
29	139
30	141
31	142
32	143
33	145
34	146
35	147
36	148
37	157
38	158
39	160
40	161
41	162
42	166
43	167
44	169
45	170
46	171
47	173
48	174
49	175
50	176
51	180
52	181
53	183
54	184
55	185
56	187
57	188

n	a(n)
0	1
1	3
2	7
3	8
4	17
5	18
6	20
7	21
8	22
9	45
10	46
11	48
12	49
13	50
14	54
15	55
16	57
17	58
18	59
19	61
20	62
21	63
22	64
23	129
24	130
25	132
26	133
27	134
28	138
29	139
30	141
31	142
32	143
33	145
34	146
35	147
36	148
37	157
38	158
39	160
40	161
41	162
42	166
43	167
44	169
45	170
46	171
47	173
48	174
49	175
50	176
51	180
52	181
53	183
54	184
55	185
56	187
57	188

n	a(n)
0	1
1	3
2	7
3	8
4	17
5	18
6	20
7	21
8	22
9	45
10	46
11	48
12	49
13	50
14	54
15	55
16	57
17	58
18	59
19	61
20	62
21	63
22	64
23	129
24	130
25	132
26	133
27	134
28	138
29	139
30	141
31	142
32	143
33	145
34	146
35	147
36	148
37	157
38	158
39	160
40	161
41	162
42	166
43	167
44	169
45	170
46	171
47	173
48	174
49	175
50	176
51	180
52	181
53	183
54	184
55	185
56	187
57	188