A291336 - cp's OEIS frontend

A291336 Number F(n,h,t) of forests of t unlabeled rooted trees with n vertices such that h is the maximum of 0 and the tree heights; triangle of triangles F(n,h,t), n>=0, h=0..n, t=0..n-h, read by layers, then by rows.

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	0
6	1
7	0
8	1
9	0
10	0
11	0
12	0
13	1
14	0
15	1
16	1
17	0
18	1
19	0
20	0
21	0
22	0
23	0
24	1
25	0
26	1
27	2
28	1
29	0
30	2
31	1
32	0
33	1
34	0
35	0
36	0
37	0
38	0
39	0
40	1
41	0
42	1
43	2
44	2
45	1
46	0
47	4
48	3
49	1
50	0
51	3
52	1
53	0
54	1
55	0
56	0
57	0
58	0
59	0
60	0
61	0
62	1
63	0
64	1
65	3
66	3
67	2
68	1
69	0
70	6
71	8
72	3
73	1
74	0
75	8
76	4
77	1
78	0
79	4
80	1
81	0
82	1
83	0
84	0
85	0
86	0
87	0
88	0
89	0
90	0
91	1
92	0
93	1
94	3
95	4
96	3
97	2
98	1
99	0
100	10
101	15
102	9
103	3
104	1
105	0
106	18
107	13
108	4
109	1
110	0
111	13
112	5
113	1
114	0
115	5
116	1
117	0
118	1
119	0

[1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 2, 1, 0, 2, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 2, 2, 1, 0, 4, 3, 1, 0, 3, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 3, 3, 2, 1, 0, 6, 8, 3, 1, 0, 8, 4, 1, 0, 4, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 3, 4, 3, 2, 1, 0, 10, 15, 9, 3, 1, 0, 18, 13, 4, 1, 0, 13, 5, 1, 0, 5, 1, 0, 1, 0]

cp's OEIS Frontend

A291336 Number F(n,h,t) of forests of t unlabeled rooted trees with n vertices such that h is the maximum of 0 and the tree heights; triangle of triangles F(n,h,t), n>=0, h=0..n, t=0..n-h, read by layers, then by rows.

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	0
6	1
7	0
8	1
9	0
10	0
11	0
12	0
13	1
14	0
15	1
16	1
17	0
18	1
19	0
20	0
21	0
22	0
23	0
24	1
25	0
26	1
27	2
28	1
29	0
30	2
31	1
32	0
33	1
34	0
35	0
36	0
37	0
38	0
39	0
40	1
41	0
42	1
43	2
44	2
45	1
46	0
47	4
48	3
49	1
50	0
51	3
52	1
53	0
54	1
55	0
56	0
57	0
58	0
59	0
60	0
61	0
62	1
63	0
64	1
65	3
66	3
67	2
68	1
69	0
70	6
71	8
72	3
73	1
74	0
75	8
76	4
77	1
78	0
79	4
80	1
81	0
82	1
83	0
84	0
85	0
86	0
87	0
88	0
89	0
90	0
91	1
92	0
93	1
94	3
95	4
96	3
97	2
98	1
99	0
100	10
101	15
102	9
103	3
104	1
105	0
106	18
107	13
108	4
109	1
110	0
111	13
112	5
113	1
114	0
115	5
116	1
117	0
118	1
119	0

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	0
6	1
7	0
8	1
9	0
10	0
11	0
12	0
13	1
14	0
15	1
16	1
17	0
18	1
19	0
20	0
21	0
22	0
23	0
24	1
25	0
26	1
27	2
28	1
29	0
30	2
31	1
32	0
33	1
34	0
35	0
36	0
37	0
38	0
39	0
40	1
41	0
42	1
43	2
44	2
45	1
46	0
47	4
48	3
49	1
50	0
51	3
52	1
53	0
54	1
55	0
56	0
57	0
58	0
59	0
60	0
61	0
62	1
63	0
64	1
65	3
66	3
67	2
68	1
69	0
70	6
71	8
72	3
73	1
74	0
75	8
76	4
77	1
78	0
79	4
80	1
81	0
82	1
83	0
84	0
85	0
86	0
87	0
88	0
89	0
90	0
91	1
92	0
93	1
94	3
95	4
96	3
97	2
98	1
99	0
100	10
101	15
102	9
103	3
104	1
105	0
106	18
107	13
108	4
109	1
110	0
111	13
112	5
113	1
114	0
115	5
116	1
117	0
118	1
119	0

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	0
6	1
7	0
8	1
9	0
10	0
11	0
12	0
13	1
14	0
15	1
16	1
17	0
18	1
19	0
20	0
21	0
22	0
23	0
24	1
25	0
26	1
27	2
28	1
29	0
30	2
31	1
32	0
33	1
34	0
35	0
36	0
37	0
38	0
39	0
40	1
41	0
42	1
43	2
44	2
45	1
46	0
47	4
48	3
49	1
50	0
51	3
52	1
53	0
54	1
55	0
56	0
57	0
58	0
59	0
60	0
61	0
62	1
63	0
64	1
65	3
66	3
67	2
68	1
69	0
70	6
71	8
72	3
73	1
74	0
75	8
76	4
77	1
78	0
79	4
80	1
81	0
82	1
83	0
84	0
85	0
86	0
87	0
88	0
89	0
90	0
91	1
92	0
93	1
94	3
95	4
96	3
97	2
98	1
99	0
100	10
101	15
102	9
103	3
104	1
105	0
106	18
107	13
108	4
109	1
110	0
111	13
112	5
113	1
114	0
115	5
116	1
117	0
118	1
119	0