A358578 - cp's OEIS frontend

A358578 Matula-Goebel numbers of rooted trees whose number of leaves equals their number of internal (non-leaf) nodes.

n	a(n)
1	2
2	6
3	7
4	18
5	20
6	21
7	26
8	34
9	37
10	43
11	54
12	60
13	63
14	67
15	70
16	78
17	88
18	91
19	92
20	95
21	102
22	111
23	116
24	119
25	122
26	129
27	142
28	146
29	151
30	162
31	164
32	173
33	180
34	181
35	189
36	200
37	201
38	202
39	210
40	227
41	234
42	236
43	239
44	245
45	260
46	264
47	269
48	273
49	276
50	278
51	285
52	306
53	308
54	314
55	322
56	333
57	337

[2, 6, 7, 18, 20, 21, 26, 34, 37, 43, 54, 60, 63, 67, 70, 78, 88, 91, 92, 95, 102, 111, 116, 119, 122, 129, 142, 146, 151, 162, 164, 173, 180, 181, 189, 200, 201, 202, 210, 227, 234, 236, 239, 245, 260, 264, 269, 273, 276, 278, 285, 306, 308, 314, 322, 333, 337]

cp's OEIS Frontend

A358578 Matula-Goebel numbers of rooted trees whose number of leaves equals their number of internal (non-leaf) nodes.

Table of values

List of values

n	a(n)
1	2
2	6
3	7
4	18
5	20
6	21
7	26
8	34
9	37
10	43
11	54
12	60
13	63
14	67
15	70
16	78
17	88
18	91
19	92
20	95
21	102
22	111
23	116
24	119
25	122
26	129
27	142
28	146
29	151
30	162
31	164
32	173
33	180
34	181
35	189
36	200
37	201
38	202
39	210
40	227
41	234
42	236
43	239
44	245
45	260
46	264
47	269
48	273
49	276
50	278
51	285
52	306
53	308
54	314
55	322
56	333
57	337

n	a(n)
1	2
2	6
3	7
4	18
5	20
6	21
7	26
8	34
9	37
10	43
11	54
12	60
13	63
14	67
15	70
16	78
17	88
18	91
19	92
20	95
21	102
22	111
23	116
24	119
25	122
26	129
27	142
28	146
29	151
30	162
31	164
32	173
33	180
34	181
35	189
36	200
37	201
38	202
39	210
40	227
41	234
42	236
43	239
44	245
45	260
46	264
47	269
48	273
49	276
50	278
51	285
52	306
53	308
54	314
55	322
56	333
57	337

n	a(n)
1	2
2	6
3	7
4	18
5	20
6	21
7	26
8	34
9	37
10	43
11	54
12	60
13	63
14	67
15	70
16	78
17	88
18	91
19	92
20	95
21	102
22	111
23	116
24	119
25	122
26	129
27	142
28	146
29	151
30	162
31	164
32	173
33	180
34	181
35	189
36	200
37	201
38	202
39	210
40	227
41	234
42	236
43	239
44	245
45	260
46	264
47	269
48	273
49	276
50	278
51	285
52	306
53	308
54	314
55	322
56	333
57	337