A204005 - cp's OEIS frontend

A204005 Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max{2i+j-2,2j+i-2} (A204004).

n	a(n)
1	1
2	-1
3	-5
4	-5
5	1
6	9
7	31
8	12
9	-1
10	-13
11	-73
12	-105
13	-22
14	1
15	17
16	131
17	322
18	265
19	35
20	-1
21	-21
22	-205
23	-711
24	-1036
25	-560
26	-51
27	1
28	25
29	295
30	1320
31	2775
32	2730
33	1050
34	70
35	-1
36	-29
37	-401
38	-2197
39	-6050
40	-8745
41	-6258
42	-1806
43	-92
44	1
45	33
46	523
47	3390
48	11557

[1, -1, -5, -5, 1, 9, 31, 12, -1, -13, -73, -105, -22, 1, 17, 131, 322, 265, 35, -1, -21, -205, -711, -1036, -560, -51, 1, 25, 295, 1320, 2775, 2730, 1050, 70, -1, -29, -401, -2197, -6050, -8745, -6258, -1806, -92, 1, 33, 523, 3390, 11557]

cp's OEIS Frontend

A204005 Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max{2i+j-2,2j+i-2} (A204004).

Table of values

List of values