A123956 - cp's OEIS frontend

A123956 Triangle of coefficients of polynomials P(k) = 2XP(k - 1) - P(k - 2), P(0) = -1, P(1) = 1 + X, with twisted signs.

n	a(n)
0	-1
1	1
2	1
3	-1
4	-2
5	-2
6	1
7	-3
8	4
9	4
10	-1
11	4
12	8
13	-8
14	-8
15	1
16	5
17	-12
18	-20
19	16
20	16
21	-1
22	-6
23	-18
24	32
25	48
26	-32
27	-32
28	1
29	-7
30	24
31	56
32	-80
33	-112
34	64
35	64
36	-1
37	8
38	32
39	-80
40	-160
41	192
42	256
43	-128
44	-128
45	1
46	9
47	-40
48	-120
49	240
50	432
51	-448
52	-576
53	256
54	256
55	-1
56	-10
57	-50
58	160
59	400
60	-672
61	-1120
62	1024
63	1280
64	-512
65	-512

[-1, 1, 1, -1, -2, -2, 1, -3, 4, 4, -1, 4, 8, -8, -8, 1, 5, -12, -20, 16, 16, -1, -6, -18, 32, 48, -32, -32, 1, -7, 24, 56, -80, -112, 64, 64, -1, 8, 32, -80, -160, 192, 256, -128, -128, 1, 9, -40, -120, 240, 432, -448, -576, 256, 256, -1, -10, -50, 160, 400, -672, -1120, 1024, 1280, -512, -512]

cp's OEIS Frontend

A123956 Triangle of coefficients of polynomials P(k) = 2XP(k - 1) - P(k - 2), P(0) = -1, P(1) = 1 + X, with twisted signs.

Table of values

List of values

cp's OEIS Frontend

A123956 Triangle of coefficients of polynomials P(k) = 2*X*P(k - 1) - P(k - 2), P(0) = -1, P(1) = 1 + X, with twisted signs.

Table of values

List of values

A123956 Triangle of coefficients of polynomials P(k) = 2XP(k - 1) - P(k - 2), P(0) = -1, P(1) = 1 + X, with twisted signs.