A137454 - cp's OEIS frontend

A137454 Irregular triangle read by rows: coefficients of polynomials p(x, n) where p(x,n) = x^2p(x,n-1) + (-x-1)p(x,n-2) + p(x,n-3).

n	a(n)
0	1
1	-1
2	-1
3	1
4	-1
5	-1
6	-1
7	-1
8	1
9	2
10	2
11	-1
12	-2
13	-1
14	-1
15	1
16	0
17	1
18	5
19	4
20	-1
21	-3
22	-1
23	-1
24	1
25	-3
26	-5
27	-2
28	3
29	9
30	6
31	-1
32	-4
33	-1
34	-1
35	1
36	2
37	1
38	-10
39	-16
40	-6
41	6
42	14
43	8
44	-1
45	-5
46	-1
47	-1
48	1
49	3
50	9
51	14
52	4
53	-23
54	-34
55	-12
56	10
57	20
58	10
59	-1
60	-6
61	-1
62	-1
63	1
64	-5
65	-8
66	10
67	38
68	45
69	10
70	-44
71	-60
72	-20
73	15
74	27
75	12
76	-1
77	-7
78	-1
79	-1
80	1
81	-1
82	-11
83	-38
84	-42
85	23
86	101
87	105
88	20

[1, -1, -1, 1, -1, -1, -1, -1, 1, 2, 2, -1, -2, -1, -1, 1, 0, 1, 5, 4, -1, -3, -1, -1, 1, -3, -5, -2, 3, 9, 6, -1, -4, -1, -1, 1, 2, 1, -10, -16, -6, 6, 14, 8, -1, -5, -1, -1, 1, 3, 9, 14, 4, -23, -34, -12, 10, 20, 10, -1, -6, -1, -1, 1, -5, -8, 10, 38, 45, 10, -44, -60, -20, 15, 27, 12, -1, -7, -1, -1, 1, -1, -11, -38, -42, 23, 101, 105, 20]

cp's OEIS Frontend

A137454 Irregular triangle read by rows: coefficients of polynomials p(x, n) where p(x,n) = x^2p(x,n-1) + (-x-1)p(x,n-2) + p(x,n-3).

Table of values

List of values

n	a(n)
0	1
1	-1
2	-1
3	1
4	-1
5	-1
6	-1
7	-1
8	1
9	2
10	2
11	-1
12	-2
13	-1
14	-1
15	1
16	0
17	1
18	5
19	4
20	-1
21	-3
22	-1
23	-1
24	1
25	-3
26	-5
27	-2
28	3
29	9
30	6
31	-1
32	-4
33	-1
34	-1
35	1
36	2
37	1
38	-10
39	-16
40	-6
41	6
42	14
43	8
44	-1
45	-5
46	-1
47	-1
48	1
49	3
50	9
51	14
52	4
53	-23
54	-34
55	-12
56	10
57	20
58	10
59	-1
60	-6
61	-1
62	-1
63	1
64	-5
65	-8
66	10
67	38
68	45
69	10
70	-44
71	-60
72	-20
73	15
74	27
75	12
76	-1
77	-7
78	-1
79	-1
80	1
81	-1
82	-11
83	-38
84	-42
85	23
86	101
87	105
88	20

n	a(n)
0	1
1	-1
2	-1
3	1
4	-1
5	-1
6	-1
7	-1
8	1
9	2
10	2
11	-1
12	-2
13	-1
14	-1
15	1
16	0
17	1
18	5
19	4
20	-1
21	-3
22	-1
23	-1
24	1
25	-3
26	-5
27	-2
28	3
29	9
30	6
31	-1
32	-4
33	-1
34	-1
35	1
36	2
37	1
38	-10
39	-16
40	-6
41	6
42	14
43	8
44	-1
45	-5
46	-1
47	-1
48	1
49	3
50	9
51	14
52	4
53	-23
54	-34
55	-12
56	10
57	20
58	10
59	-1
60	-6
61	-1
62	-1
63	1
64	-5
65	-8
66	10
67	38
68	45
69	10
70	-44
71	-60
72	-20
73	15
74	27
75	12
76	-1
77	-7
78	-1
79	-1
80	1
81	-1
82	-11
83	-38
84	-42
85	23
86	101
87	105
88	20

cp's OEIS Frontend

A137454 Irregular triangle read by rows: coefficients of polynomials p(x, n) where p(x,n) = x^2*p(x,n-1) + (-x-1)*p(x,n-2) + p(x,n-3).

Table of values

List of values

A137454 Irregular triangle read by rows: coefficients of polynomials p(x, n) where p(x,n) = x^2p(x,n-1) + (-x-1)p(x,n-2) + p(x,n-3).

n	a(n)
0	1
1	-1
2	-1
3	1
4	-1
5	-1
6	-1
7	-1
8	1
9	2
10	2
11	-1
12	-2
13	-1
14	-1
15	1
16	0
17	1
18	5
19	4
20	-1
21	-3
22	-1
23	-1
24	1
25	-3
26	-5
27	-2
28	3
29	9
30	6
31	-1
32	-4
33	-1
34	-1
35	1
36	2
37	1
38	-10
39	-16
40	-6
41	6
42	14
43	8
44	-1
45	-5
46	-1
47	-1
48	1
49	3
50	9
51	14
52	4
53	-23
54	-34
55	-12
56	10
57	20
58	10
59	-1
60	-6
61	-1
62	-1
63	1
64	-5
65	-8
66	10
67	38
68	45
69	10
70	-44
71	-60
72	-20
73	15
74	27
75	12
76	-1
77	-7
78	-1
79	-1
80	1
81	-1
82	-11
83	-38
84	-42
85	23
86	101
87	105
88	20