A209643 - cp's OEIS frontend

A209643 A014486-indices for rooted plane trees where non-leaf branching can occur only at the leftmost branch of any level, but nowhere else.

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	9
9	14
10	16
11	17
12	19
13	20
14	21
15	22
16	23
17	37
18	42
19	44
20	45
21	51
22	53
23	54
24	56
25	57
26	58
27	60
28	61
29	62
30	63
31	64
32	65
33	107
34	121
35	126
36	128
37	129
38	149
39	154
40	156
41	157
42	163
43	165
44	166
45	168
46	169
47	170
48	177
49	179
50	180
51	182
52	183
53	184
54	186
55	187
56	188
57	189
58	191
59	192
60	193
61	194
62	195
63	196
64	197
65	329
66	371
67	385
68	390
69	392
70	393
71	461
72	475
73	480
74	482

[0, 1, 2, 3, 4, 6, 7, 8, 9, 14, 16, 17, 19, 20, 21, 22, 23, 37, 42, 44, 45, 51, 53, 54, 56, 57, 58, 60, 61, 62, 63, 64, 65, 107, 121, 126, 128, 129, 149, 154, 156, 157, 163, 165, 166, 168, 169, 170, 177, 179, 180, 182, 183, 184, 186, 187, 188, 189, 191, 192, 193, 194, 195, 196, 197, 329, 371, 385, 390, 392, 393, 461, 475, 480, 482]

cp's OEIS Frontend

A209643 A014486-indices for rooted plane trees where non-leaf branching can occur only at the leftmost branch of any level, but nowhere else.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	9
9	14
10	16
11	17
12	19
13	20
14	21
15	22
16	23
17	37
18	42
19	44
20	45
21	51
22	53
23	54
24	56
25	57
26	58
27	60
28	61
29	62
30	63
31	64
32	65
33	107
34	121
35	126
36	128
37	129
38	149
39	154
40	156
41	157
42	163
43	165
44	166
45	168
46	169
47	170
48	177
49	179
50	180
51	182
52	183
53	184
54	186
55	187
56	188
57	189
58	191
59	192
60	193
61	194
62	195
63	196
64	197
65	329
66	371
67	385
68	390
69	392
70	393
71	461
72	475
73	480
74	482

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	9
9	14
10	16
11	17
12	19
13	20
14	21
15	22
16	23
17	37
18	42
19	44
20	45
21	51
22	53
23	54
24	56
25	57
26	58
27	60
28	61
29	62
30	63
31	64
32	65
33	107
34	121
35	126
36	128
37	129
38	149
39	154
40	156
41	157
42	163
43	165
44	166
45	168
46	169
47	170
48	177
49	179
50	180
51	182
52	183
53	184
54	186
55	187
56	188
57	189
58	191
59	192
60	193
61	194
62	195
63	196
64	197
65	329
66	371
67	385
68	390
69	392
70	393
71	461
72	475
73	480
74	482

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	9
9	14
10	16
11	17
12	19
13	20
14	21
15	22
16	23
17	37
18	42
19	44
20	45
21	51
22	53
23	54
24	56
25	57
26	58
27	60
28	61
29	62
30	63
31	64
32	65
33	107
34	121
35	126
36	128
37	129
38	149
39	154
40	156
41	157
42	163
43	165
44	166
45	168
46	169
47	170
48	177
49	179
50	180
51	182
52	183
53	184
54	186
55	187
56	188
57	189
58	191
59	192
60	193
61	194
62	195
63	196
64	197
65	329
66	371
67	385
68	390
69	392
70	393
71	461
72	475
73	480
74	482