A301343 - cp's OEIS frontend

A301343 Regular triangle where T(n,k) is the number of planted achiral (or generalized Bethe) trees with n nodes and k leaves.

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

[1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 2, 1, 1, 0, 1, 2, 1, 1, 1, 0, 1, 3, 2, 2, 1, 1, 0, 1, 3, 2, 2, 1, 1, 1, 0, 1, 4, 2, 4, 1, 2, 1, 1, 0, 1, 4, 3, 4, 1, 3, 1, 1, 1, 0, 1, 5, 3, 6, 2, 4, 1, 2, 1, 1, 0, 1, 5, 3, 6, 2, 4, 1, 2, 1, 1, 1, 0, 1, 6, 4, 9, 2, 7, 1, 4, 2, 2, 1, 1, 0]

cp's OEIS Frontend

A301343 Regular triangle where T(n,k) is the number of planted achiral (or generalized Bethe) trees with n nodes and k leaves.

Table of values

List of values

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

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

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