A331238 - cp's OEIS frontend

A331238 Triangle T(n, k) of the number of trees of order n with cutting number k >= 0.

n	a(n)
1	1
2	1
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	0
12	0
13	1
14	1
15	1
16	0
17	0
18	0
19	0
20	0
21	0
22	1
23	2
24	1
25	1
26	1
27	0
28	0
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	3
37	0
38	2
39	3
40	1
41	1
42	1
43	0
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	0
55	3
56	0
57	3
58	7
59	2
60	2
61	3
62	1
63	1
64	1
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	0
81	3
82	3
83	4
84	8
85	4
86	7
87	7
88	2
89	3
90	3
91	1
92	1
93	1

[1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 2, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 2, 3, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 3, 7, 2, 2, 3, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 4, 8, 4, 7, 7, 2, 3, 3, 1, 1, 1]

cp's OEIS Frontend

A331238 Triangle T(n, k) of the number of trees of order n with cutting number k >= 0.

Table of values

List of values

n	a(n)
1	1
2	1
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	0
12	0
13	1
14	1
15	1
16	0
17	0
18	0
19	0
20	0
21	0
22	1
23	2
24	1
25	1
26	1
27	0
28	0
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	3
37	0
38	2
39	3
40	1
41	1
42	1
43	0
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	0
55	3
56	0
57	3
58	7
59	2
60	2
61	3
62	1
63	1
64	1
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	0
81	3
82	3
83	4
84	8
85	4
86	7
87	7
88	2
89	3
90	3
91	1
92	1
93	1

n	a(n)
1	1
2	1
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	0
12	0
13	1
14	1
15	1
16	0
17	0
18	0
19	0
20	0
21	0
22	1
23	2
24	1
25	1
26	1
27	0
28	0
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	3
37	0
38	2
39	3
40	1
41	1
42	1
43	0
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	0
55	3
56	0
57	3
58	7
59	2
60	2
61	3
62	1
63	1
64	1
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	0
81	3
82	3
83	4
84	8
85	4
86	7
87	7
88	2
89	3
90	3
91	1
92	1
93	1

n	a(n)
1	1
2	1
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	0
12	0
13	1
14	1
15	1
16	0
17	0
18	0
19	0
20	0
21	0
22	1
23	2
24	1
25	1
26	1
27	0
28	0
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	3
37	0
38	2
39	3
40	1
41	1
42	1
43	0
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	0
55	3
56	0
57	3
58	7
59	2
60	2
61	3
62	1
63	1
64	1
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	0
81	3
82	3
83	4
84	8
85	4
86	7
87	7
88	2
89	3
90	3
91	1
92	1
93	1