A203997 - cp's OEIS frontend

A203997 Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of min{i(j+1),j(i+1)} (A203996).

n	a(n)
1	2
2	-1
3	3
4	-8
5	1
6	4
7	-19
8	20
9	-1
10	5
11	-34
12	69
13	-40
14	1
15	6
16	-53
17	160
18	-189
19	70
20	-1
21	7
22	-76
23	305
24	-552
25	434
26	-112
27	1
28	8
29	-103
30	516
31	-1265
32	1560
33	-882
34	168
35	-1
36	9
37	-134
38	805
39	-2496
40	4235
41	-3828
42	1638
43	-240
44	1
45	10
46	-169
47	1184
48	-4445
49	9646

[2, -1, 3, -8, 1, 4, -19, 20, -1, 5, -34, 69, -40, 1, 6, -53, 160, -189, 70, -1, 7, -76, 305, -552, 434, -112, 1, 8, -103, 516, -1265, 1560, -882, 168, -1, 9, -134, 805, -2496, 4235, -3828, 1638, -240, 1, 10, -169, 1184, -4445, 9646]

cp's OEIS Frontend

A203997 Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of min{i(j+1),j(i+1)} (A203996).

Table of values

List of values