A275345 - cp's OEIS frontend

A275345 Characteristic polynomials of a square matrix based on A051731 where A051731(1,N)=1 and A051731(N,N)=0 and where N=size of matrix, analogous to the Redheffer matrix.

n	a(n)
0	1
1	1
2	-1
3	-1
4	-1
5	1
6	-1
7	0
8	2
9	-1
10	0
11	0
12	2
13	-3
14	1
15	-1
16	2
17	1
18	-5
19	4
20	-1
21	1
22	-3
23	5
24	-8
25	9
26	-5
27	1
28	-1
29	4
30	-4
31	-5
32	15
33	-14
34	6
35	-1
36	0
37	-1
38	6
39	-17
40	29
41	-31
42	20
43	-7
44	1
45	0
46	0
47	2
48	-13
49	36
50	-55
51	50
52	-27
53	8
54	-1
55	1
56	-7
57	23
58	-50
59	84
60	-112
61	112
62	-78
63	35
64	-9
65	1

[1, 1, -1, -1, -1, 1, -1, 0, 2, -1, 0, 0, 2, -3, 1, -1, 2, 1, -5, 4, -1, 1, -3, 5, -8, 9, -5, 1, -1, 4, -4, -5, 15, -14, 6, -1, 0, -1, 6, -17, 29, -31, 20, -7, 1, 0, 0, 2, -13, 36, -55, 50, -27, 8, -1, 1, -7, 23, -50, 84, -112, 112, -78, 35, -9, 1]

cp's OEIS Frontend

A275345 Characteristic polynomials of a square matrix based on A051731 where A051731(1,N)=1 and A051731(N,N)=0 and where N=size of matrix, analogous to the Redheffer matrix.

Table of values

List of values