A297477 - cp's OEIS frontend

A297477 Triangle read by rows: T(n, k) gives the coefficients of x^k of the characteristic polynomial P(n, x) of the n X n matrix M with entries M(i, j) = 1 if i = 1 or j = 1, -1 if i = j > 1, and 0 otherwise. T(0, 0) := 0.

n	a(n)
0	0
1	1
2	-1
3	-2
4	0
5	1
6	3
7	3
8	-1
9	-1
10	-4
11	-8
12	-3
13	2
14	1
15	5
16	15
17	14
18	2
19	-3
20	-1
21	-6
22	-24
23	-35
24	-20
25	0
26	4
27	1
28	7
29	35
30	69
31	65
32	25
33	-3
34	-5
35	-1
36	-8
37	-48
38	-119
39	-154
40	-105
41	-28
42	7
43	6
44	1
45	9
46	63
47	188
48	308
49	294
50	154
51	28
52	-12
53	-7
54	-1
55	-10
56	-80
57	-279
58	-552
59	-672
60	-504
61	-210
62	-24
63	18
64	8
65	1

[0, 1, -1, -2, 0, 1, 3, 3, -1, -1, -4, -8, -3, 2, 1, 5, 15, 14, 2, -3, -1, -6, -24, -35, -20, 0, 4, 1, 7, 35, 69, 65, 25, -3, -5, -1, -8, -48, -119, -154, -105, -28, 7, 6, 1, 9, 63, 188, 308, 294, 154, 28, -12, -7, -1, -10, -80, -279, -552, -672, -504, -210, -24, 18, 8, 1]

cp's OEIS Frontend

A297477 Triangle read by rows: T(n, k) gives the coefficients of x^k of the characteristic polynomial P(n, x) of the n X n matrix M with entries M(i, j) = 1 if i = 1 or j = 1, -1 if i = j > 1, and 0 otherwise. T(0, 0) := 0.

Table of values

List of values