A193404 - cp's OEIS frontend

A193404 Number of matchings (independent edge subsets) in the rooted tree with Matula-Goebel number n.

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

[1, 2, 3, 3, 5, 5, 4, 4, 8, 8, 8, 7, 7, 7, 13, 5, 7, 12, 5, 11, 11, 13, 12, 9, 21, 12, 20, 10, 11, 19, 13, 6, 21, 11, 18, 16, 9, 9, 19, 14, 12, 17, 10, 18, 32, 20, 19, 11, 15, 30, 18, 17, 6, 28, 34, 13, 14, 19, 11, 25, 16, 21, 28, 7, 31, 31, 9, 15, 32, 27, 14]

cp's OEIS Frontend

A193404 Number of matchings (independent edge subsets) in the rooted tree with Matula-Goebel number n.

Table of values

List of values

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

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

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