A125090 - cp's OEIS frontend

A125090 Triangle read by rows: T(0,0)=1; for 0<=k<=n, n>=1, T(n,k) is the coefficient of x^(n-k) in the monic characteristic polynomial of the tridiagonal n X n matrix with diagonal (0,1,1,...) and super- and subdiagonals (1,1,1,...).

n	a(n)
1	1
2	1
3	0
4	1
5	-1
6	-1
7	1
8	-2
9	-1
10	1
11	1
12	-3
13	0
14	3
15	0
16	1
17	-4
18	2
19	5
20	-2
21	-1
22	1
23	-5
24	5
25	6
26	-7
27	-2
28	1
29	1
30	-6
31	9
32	5
33	-15
34	0
35	5
36	0
37	1
38	-7
39	14
40	1
41	-25
42	9
43	12
44	-3
45	-1
46	1
47	-8
48	20
49	-7
50	-35
51	29
52	18
53	-15
54	-3
55	1
56	1
57	-9
58	27
59	-20
60	-42
61	63
62	14
63	-42
64	0
65	7
66	0
67	1
68	-10
69	35
70	-39
71	-42
72	112
73	-14
74	-85
75	24
76	22
77	-4
78	-1
79	1
80	-11
81	44
82	-65
83	-30
84	174
85	-84
86	-134
87	95
88	40
89	-26
90	-4

[1, 1, 0, 1, -1, -1, 1, -2, -1, 1, 1, -3, 0, 3, 0, 1, -4, 2, 5, -2, -1, 1, -5, 5, 6, -7, -2, 1, 1, -6, 9, 5, -15, 0, 5, 0, 1, -7, 14, 1, -25, 9, 12, -3, -1, 1, -8, 20, -7, -35, 29, 18, -15, -3, 1, 1, -9, 27, -20, -42, 63, 14, -42, 0, 7, 0, 1, -10, 35, -39, -42, 112, -14, -85, 24, 22, -4, -1, 1, -11, 44, -65, -30, 174, -84, -134, 95, 40, -26, -4]

cp's OEIS Frontend

A125090 Triangle read by rows: T(0,0)=1; for 0<=k<=n, n>=1, T(n,k) is the coefficient of x^(n-k) in the monic characteristic polynomial of the tridiagonal n X n matrix with diagonal (0,1,1,...) and super- and subdiagonals (1,1,1,...).

Table of values

List of values