A204168 - cp's OEIS frontend

A204168 Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of (i+j), as in A003057.

n	a(n)
1	2
2	-1
3	-1
4	-6
5	1
6	0
7	6
8	12
9	-1
10	0
11	0
12	-20
13	-20
14	1
15	0
16	0
17	0
18	50
19	30
20	-1
21	0
22	0
23	0
24	0
25	-105
26	-42
27	1
28	0
29	0
30	0
31	0
32	0
33	196
34	56
35	-1
36	0
37	0
38	0
39	0
40	0
41	0
42	-336
43	-72
44	1
45	0
46	0
47	0
48	0
49	0
50	0
51	0
52	540
53	90
54	-1
55	0
56	0
57	0
58	0
59	0
60	0
61	0
62	0
63	-825
64	-110
65	1

[2, -1, -1, -6, 1, 0, 6, 12, -1, 0, 0, -20, -20, 1, 0, 0, 0, 50, 30, -1, 0, 0, 0, 0, -105, -42, 1, 0, 0, 0, 0, 0, 196, 56, -1, 0, 0, 0, 0, 0, 0, -336, -72, 1, 0, 0, 0, 0, 0, 0, 0, 540, 90, -1, 0, 0, 0, 0, 0, 0, 0, 0, -825, -110, 1]

cp's OEIS Frontend

A204168 Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of (i+j), as in A003057.

Table of values

List of values