A245151 - cp's OEIS frontend

A245151 Number T(n,k) of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) k; triangle T(n,k), n>=1, 0<=k<=n-1, read by rows.

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	2
9	0
10	1
11	0
12	3
13	1
14	0
15	1
16	0
17	5
18	1
19	0
20	0
21	1
22	0
23	7
24	3
25	1
26	0
27	0
28	1
29	0
30	12
31	3
32	1
33	0
34	0
35	0
36	1
37	0
38	17
39	8
40	1
41	1
42	0
43	0
44	0
45	1
46	0
47	28
48	9
49	3
50	1
51	0
52	0
53	0
54	0
55	1
56	0
57	42
58	21
59	3
60	1
61	1
62	0
63	0
64	0
65	0
66	1
67	0
68	69
69	28
70	5
71	1
72	1
73	0
74	0
75	0
76	0
77	0
78	1
79	0
80	105
81	56
82	9
83	3
84	1
85	1
86	0
87	0
88	0
89	0
90	0
91	1

[1, 0, 1, 0, 1, 1, 0, 2, 0, 1, 0, 3, 1, 0, 1, 0, 5, 1, 0, 0, 1, 0, 7, 3, 1, 0, 0, 1, 0, 12, 3, 1, 0, 0, 0, 1, 0, 17, 8, 1, 1, 0, 0, 0, 1, 0, 28, 9, 3, 1, 0, 0, 0, 0, 1, 0, 42, 21, 3, 1, 1, 0, 0, 0, 0, 1, 0, 69, 28, 5, 1, 1, 0, 0, 0, 0, 0, 1, 0, 105, 56, 9, 3, 1, 1, 0, 0, 0, 0, 0, 1]

cp's OEIS Frontend

A245151 Number T(n,k) of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) k; triangle T(n,k), n>=1, 0<=k<=n-1, read by rows.

Table of values

List of values

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	2
9	0
10	1
11	0
12	3
13	1
14	0
15	1
16	0
17	5
18	1
19	0
20	0
21	1
22	0
23	7
24	3
25	1
26	0
27	0
28	1
29	0
30	12
31	3
32	1
33	0
34	0
35	0
36	1
37	0
38	17
39	8
40	1
41	1
42	0
43	0
44	0
45	1
46	0
47	28
48	9
49	3
50	1
51	0
52	0
53	0
54	0
55	1
56	0
57	42
58	21
59	3
60	1
61	1
62	0
63	0
64	0
65	0
66	1
67	0
68	69
69	28
70	5
71	1
72	1
73	0
74	0
75	0
76	0
77	0
78	1
79	0
80	105
81	56
82	9
83	3
84	1
85	1
86	0
87	0
88	0
89	0
90	0
91	1

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	2
9	0
10	1
11	0
12	3
13	1
14	0
15	1
16	0
17	5
18	1
19	0
20	0
21	1
22	0
23	7
24	3
25	1
26	0
27	0
28	1
29	0
30	12
31	3
32	1
33	0
34	0
35	0
36	1
37	0
38	17
39	8
40	1
41	1
42	0
43	0
44	0
45	1
46	0
47	28
48	9
49	3
50	1
51	0
52	0
53	0
54	0
55	1
56	0
57	42
58	21
59	3
60	1
61	1
62	0
63	0
64	0
65	0
66	1
67	0
68	69
69	28
70	5
71	1
72	1
73	0
74	0
75	0
76	0
77	0
78	1
79	0
80	105
81	56
82	9
83	3
84	1
85	1
86	0
87	0
88	0
89	0
90	0
91	1

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	2
9	0
10	1
11	0
12	3
13	1
14	0
15	1
16	0
17	5
18	1
19	0
20	0
21	1
22	0
23	7
24	3
25	1
26	0
27	0
28	1
29	0
30	12
31	3
32	1
33	0
34	0
35	0
36	1
37	0
38	17
39	8
40	1
41	1
42	0
43	0
44	0
45	1
46	0
47	28
48	9
49	3
50	1
51	0
52	0
53	0
54	0
55	1
56	0
57	42
58	21
59	3
60	1
61	1
62	0
63	0
64	0
65	0
66	1
67	0
68	69
69	28
70	5
71	1
72	1
73	0
74	0
75	0
76	0
77	0
78	1
79	0
80	105
81	56
82	9
83	3
84	1
85	1
86	0
87	0
88	0
89	0
90	0
91	1