A193403 - cp's OEIS frontend

A193403 Triangle read by rows: row n contains the coefficients (of the increasing powers of the variable x) of the matching polynomial of the rooted tree having Matula-Goebel number n.

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

[0, 1, -1, 0, 1, 0, -2, 0, 1, 0, -2, 0, 1, 1, 0, -3, 0, 1, 1, 0, -3, 0, 1, 0, 0, -3, 0, 1, 0, 0, -3, 0, 1, 0, 3, 0, -4, 0, 1, 0, 3, 0, -4, 0, 1, 0, 3, 0, -4, 0, 1, 0, 2, 0, -4, 0, 1, 0, 2, 0, -4, 0, 1, 0, 2, 0, -4, 0, 1, -1, 0, 6, 0, -5, 0, 1, 0, 0, 0, -4, 0, 1, 0, 2, 0, -4, 0, 1, -1, 0, 5, 0, -5, 0, 1, 0, 0, 0, -4, 0, 1]

cp's OEIS Frontend

A193403 Triangle read by rows: row n contains the coefficients (of the increasing powers of the variable x) of the matching polynomial of the rooted tree having Matula-Goebel number n.

Table of values

List of values

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

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

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