A204122 - cp's OEIS frontend

A204122 Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j) = gcd(2^(i-1), 2^(j-1)) (A144464).

n	a(n)
1	1
2	-1
3	1
4	-3
5	1
6	2
7	-8
8	7
9	-1
10	8
11	-36
12	43
13	-15
14	1
15	64
16	-304
17	414
18	-198
19	31
20	-1
21	1024
22	-4992
23	7224
24	-3960
25	849
26	-63
27	1
28	32768
29	-161792
30	241088
31	-140864
32	34674
33	-3516
34	127
35	-1
36	2097152
37	-10420224
38	15752192
39	-9492480
40	2493640
41	-290412

[1, -1, 1, -3, 1, 2, -8, 7, -1, 8, -36, 43, -15, 1, 64, -304, 414, -198, 31, -1, 1024, -4992, 7224, -3960, 849, -63, 1, 32768, -161792, 241088, -140864, 34674, -3516, 127, -1, 2097152, -10420224, 15752192, -9492480, 2493640, -290412]

cp's OEIS Frontend

A204122 Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j) = gcd(2^(i-1), 2^(j-1)) (A144464).

Table of values

List of values