A122945 - cp's OEIS frontend

A122945 Recursive polynomials (p(k, x) = p(k - 1, x) - x^2*p(k - 2, x) ) used to produce a set of matrices a(i,j) at level n that then produce the characteristic polynomials which provide the triangular sequence t(n,m).

n	a(n)
1	1
2	1
3	-1
4	-1
5	1
6	1
7	1
8	-1
9	0
10	-1
11	-1
12	1
13	1
14	-2
15	1
16	1
17	-1
18	-2
19	3
20	-1
21	-1
22	-1
23	1
24	3
25	-4
26	0
27	3
28	1
29	1
30	-1
31	-4
32	5
33	2
34	-6
35	2
36	-1
37	-1
38	1
39	5
40	-6
41	-5
42	10
43	-2
44	-4
45	1
46	1
47	-1
48	-6
49	7
50	9
51	-15
52	0
53	10
54	-3
55	-1
56	-1
57	1
58	7
59	-8
60	-14
61	21
62	5
63	-20
64	5
65	5
66	1
67	1
68	-1
69	-8
70	9
71	20
72	-28
73	-14
74	35
75	-5
76	-15
77	4
78	-1
79	-1
80	1
81	9
82	-10
83	-27
84	36
85	28
86	-56
87	0
88	35
89	-9
90	-6
91	1
92	1
93	-1
94	-10
95	11

[1, 1, -1, -1, 1, 1, 1, -1, 0, -1, -1, 1, 1, -2, 1, 1, -1, -2, 3, -1, -1, -1, 1, 3, -4, 0, 3, 1, 1, -1, -4, 5, 2, -6, 2, -1, -1, 1, 5, -6, -5, 10, -2, -4, 1, 1, -1, -6, 7, 9, -15, 0, 10, -3, -1, -1, 1, 7, -8, -14, 21, 5, -20, 5, 5, 1, 1, -1, -8, 9, 20, -28, -14, 35, -5, -15, 4, -1, -1, 1, 9, -10, -27, 36, 28, -56, 0, 35, -9, -6, 1, 1, -1, -10, 11]

cp's OEIS Frontend

A122945 Recursive polynomials (p(k, x) = p(k - 1, x) - x^2*p(k - 2, x) ) used to produce a set of matrices a(i,j) at level n that then produce the characteristic polynomials which provide the triangular sequence t(n,m).

Table of values

List of values

n	a(n)
1	1
2	1
3	-1
4	-1
5	1
6	1
7	1
8	-1
9	0
10	-1
11	-1
12	1
13	1
14	-2
15	1
16	1
17	-1
18	-2
19	3
20	-1
21	-1
22	-1
23	1
24	3
25	-4
26	0
27	3
28	1
29	1
30	-1
31	-4
32	5
33	2
34	-6
35	2
36	-1
37	-1
38	1
39	5
40	-6
41	-5
42	10
43	-2
44	-4
45	1
46	1
47	-1
48	-6
49	7
50	9
51	-15
52	0
53	10
54	-3
55	-1
56	-1
57	1
58	7
59	-8
60	-14
61	21
62	5
63	-20
64	5
65	5
66	1
67	1
68	-1
69	-8
70	9
71	20
72	-28
73	-14
74	35
75	-5
76	-15
77	4
78	-1
79	-1
80	1
81	9
82	-10
83	-27
84	36
85	28
86	-56
87	0
88	35
89	-9
90	-6
91	1
92	1
93	-1
94	-10
95	11

n	a(n)
1	1
2	1
3	-1
4	-1
5	1
6	1
7	1
8	-1
9	0
10	-1
11	-1
12	1
13	1
14	-2
15	1
16	1
17	-1
18	-2
19	3
20	-1
21	-1
22	-1
23	1
24	3
25	-4
26	0
27	3
28	1
29	1
30	-1
31	-4
32	5
33	2
34	-6
35	2
36	-1
37	-1
38	1
39	5
40	-6
41	-5
42	10
43	-2
44	-4
45	1
46	1
47	-1
48	-6
49	7
50	9
51	-15
52	0
53	10
54	-3
55	-1
56	-1
57	1
58	7
59	-8
60	-14
61	21
62	5
63	-20
64	5
65	5
66	1
67	1
68	-1
69	-8
70	9
71	20
72	-28
73	-14
74	35
75	-5
76	-15
77	4
78	-1
79	-1
80	1
81	9
82	-10
83	-27
84	36
85	28
86	-56
87	0
88	35
89	-9
90	-6
91	1
92	1
93	-1
94	-10
95	11

n	a(n)
1	1
2	1
3	-1
4	-1
5	1
6	1
7	1
8	-1
9	0
10	-1
11	-1
12	1
13	1
14	-2
15	1
16	1
17	-1
18	-2
19	3
20	-1
21	-1
22	-1
23	1
24	3
25	-4
26	0
27	3
28	1
29	1
30	-1
31	-4
32	5
33	2
34	-6
35	2
36	-1
37	-1
38	1
39	5
40	-6
41	-5
42	10
43	-2
44	-4
45	1
46	1
47	-1
48	-6
49	7
50	9
51	-15
52	0
53	10
54	-3
55	-1
56	-1
57	1
58	7
59	-8
60	-14
61	21
62	5
63	-20
64	5
65	5
66	1
67	1
68	-1
69	-8
70	9
71	20
72	-28
73	-14
74	35
75	-5
76	-15
77	4
78	-1
79	-1
80	1
81	9
82	-10
83	-27
84	36
85	28
86	-56
87	0
88	35
89	-9
90	-6
91	1
92	1
93	-1
94	-10
95	11