A103283 - cp's OEIS frontend

A103283 Triangle read by rows: T(n,k) is the coefficient of x^k in the monic characteristic polynomial of the n X n matrix with 2's on the diagonal and 1's elsewhere (n >= 1 and 0 <= k <= n). Row 0 consists of the single term 1.

n	a(n)
0	1
1	-2
2	1
3	3
4	-4
5	1
6	-4
7	9
8	-6
9	1
10	5
11	-16
12	18
13	-8
14	1
15	-6
16	25
17	-40
18	30
19	-10
20	1
21	7
22	-36
23	75
24	-80
25	45
26	-12
27	1
28	-8
29	49
30	-126
31	175
32	-140
33	63
34	-14
35	1
36	9
37	-64
38	196
39	-336
40	350
41	-224
42	84
43	-16
44	1
45	-10
46	81
47	-288
48	588
49	-756
50	630
51	-336
52	108
53	-18
54	1
55	11
56	-100
57	405
58	-960
59	1470
60	-1512
61	1050
62	-480
63	135
64	-20
65	1
66	-12
67	121
68	-550
69	1485
70	-2640
71	3234
72	-2772
73	1650
74	-660
75	165
76	-22
77	1

[1, -2, 1, 3, -4, 1, -4, 9, -6, 1, 5, -16, 18, -8, 1, -6, 25, -40, 30, -10, 1, 7, -36, 75, -80, 45, -12, 1, -8, 49, -126, 175, -140, 63, -14, 1, 9, -64, 196, -336, 350, -224, 84, -16, 1, -10, 81, -288, 588, -756, 630, -336, 108, -18, 1, 11, -100, 405, -960, 1470, -1512, 1050, -480, 135, -20, 1, -12, 121, -550, 1485, -2640, 3234, -2772, 1650, -660, 165, -22, 1]

cp's OEIS Frontend

A103283 Triangle read by rows: T(n,k) is the coefficient of x^k in the monic characteristic polynomial of the n X n matrix with 2's on the diagonal and 1's elsewhere (n >= 1 and 0 <= k <= n). Row 0 consists of the single term 1.

Table of values

List of values