A158800 - cp's OEIS frontend

A158800 A characteristic polynomial triangle of a Hadamard matrix self-similar lower triangular system: H(2^(n-1)) -> H(2^n).

n	a(n)
0	1
1	-1
2	0
3	1
4	1
5	0
6	-2
7	0
8	1
9	1
10	0
11	-4
12	0
13	6
14	0
15	-4
16	0
17	1
18	1
19	0
20	-8
21	0
22	28
23	0
24	-56
25	0
26	70
27	0
28	-56
29	0
30	28
31	0
32	-8
33	0
34	1
35	1
36	0
37	-16
38	0
39	120
40	0
41	-560
42	0
43	1820
44	0
45	-4368
46	0
47	8008
48	0
49	-11440
50	0
51	12870
52	0
53	-11440
54	0
55	8008
56	0
57	-4368
58	0
59	1820
60	0
61	-560
62	0
63	120
64	0
65	-16
66	0
67	1
68	1
69	0
70	-32
71	0
72	1

[1, -1, 0, 1, 1, 0, -2, 0, 1, 1, 0, -4, 0, 6, 0, -4, 0, 1, 1, 0, -8, 0, 28, 0, -56, 0, 70, 0, -56, 0, 28, 0, -8, 0, 1, 1, 0, -16, 0, 120, 0, -560, 0, 1820, 0, -4368, 0, 8008, 0, -11440, 0, 12870, 0, -11440, 0, 8008, 0, -4368, 0, 1820, 0, -560, 0, 120, 0, -16, 0, 1, 1, 0, -32, 0, 1]

cp's OEIS Frontend

A158800 A characteristic polynomial triangle of a Hadamard matrix self-similar lower triangular system: H(2^(n-1)) -> H(2^n).

Table of values

List of values