A103247 - cp's OEIS frontend

A103247 Triangle read by rows: T(n,k) is the coefficient of x^k (0<=k<=n) in the monic characteristic polynomial of the n X n matrix with 3's on the diagonal and 1's elsewhere (n>=1). Row 0 consists of the single term 1.

n	a(n)
0	1
1	-3
2	1
3	8
4	-6
5	1
6	-20
7	24
8	-9
9	1
10	48
11	-80
12	48
13	-12
14	1
15	-112
16	240
17	-200
18	80
19	-15
20	1
21	256
22	-672
23	720
24	-400
25	120
26	-18
27	1
28	-576
29	1792
30	-2352
31	1680
32	-700
33	168
34	-21
35	1
36	1280
37	-4608
38	7168
39	-6272
40	3360
41	-1120
42	224
43	-24
44	1
45	-2816
46	11520
47	-20736
48	21504
49	-14112
50	6048
51	-1680
52	288
53	-27
54	1
55	6144
56	-28160
57	57600
58	-69120
59	53760
60	-28224
61	10080
62	-2400
63	360
64	-30
65	1

[1, -3, 1, 8, -6, 1, -20, 24, -9, 1, 48, -80, 48, -12, 1, -112, 240, -200, 80, -15, 1, 256, -672, 720, -400, 120, -18, 1, -576, 1792, -2352, 1680, -700, 168, -21, 1, 1280, -4608, 7168, -6272, 3360, -1120, 224, -24, 1, -2816, 11520, -20736, 21504, -14112, 6048, -1680, 288, -27, 1, 6144, -28160, 57600, -69120, 53760, -28224, 10080, -2400, 360, -30, 1]

cp's OEIS Frontend

A103247 Triangle read by rows: T(n,k) is the coefficient of x^k (0<=k<=n) in the monic characteristic polynomial of the n X n matrix with 3's on the diagonal and 1's elsewhere (n>=1). Row 0 consists of the single term 1.

Table of values

List of values