A184156 - cp's OEIS frontend

A184156 The Wiener polarity index of the rooted tree with Matula-Goebel number n.

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

[0, 0, 0, 0, 1, 1, 0, 0, 2, 2, 2, 2, 2, 2, 3, 0, 2, 4, 0, 3, 3, 3, 4, 3, 4, 4, 6, 4, 3, 5, 3, 0, 4, 3, 4, 6, 3, 3, 5, 4, 4, 6, 4, 4, 7, 6, 5, 4, 4, 6, 4, 6, 0, 9, 5, 6, 4, 5, 3, 7, 6, 4, 8, 0, 6, 6, 3, 4, 7, 7, 4, 8, 6, 6, 8, 6, 5, 8, 4, 5, 12, 5, 6, 9, 5, 6, 6, 5, 4, 10, 6, 8, 5, 7, 5, 5, 6, 8, 8, 8, 6, 6, 9, 8, 9, 4, 6, 12, 5, 7]

cp's OEIS Frontend

A184156 The Wiener polarity index of the rooted tree with Matula-Goebel number n.

Table of values

List of values

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

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

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