A123148 - cp's OEIS frontend

A123148 Triangle read by rows: T(n,k) is the coefficient of x^k in the polynomial p(n,x) defined by p(0,x) = -1, p(1,x) = x-2, p(n,x) = -xp(n-1,x) + 2p(n-2,x) for n >= 3 and 0 <= k <= n.

n	a(n)
0	-1
1	-2
2	1
3	-2
4	2
5	-1
6	-4
7	4
8	-2
9	1
10	-4
11	8
12	-6
13	2
14	-1
15	-8
16	12
17	-12
18	8
19	-2
20	1
21	-8
22	24
23	-24
24	16
25	-10
26	2
27	-1
28	-16
29	32
30	-48
31	40
32	-20
33	12
34	-2
35	1
36	-16
37	64
38	-80
39	80
40	-60
41	24
42	-14
43	2
44	-1
45	-32
46	80
47	-160
48	160
49	-120
50	84
51	-28
52	16
53	-2
54	1
55	-32
56	160
57	-240
58	320
59	-280
60	168
61	-112
62	32
63	-18
64	2
65	-1

[-1, -2, 1, -2, 2, -1, -4, 4, -2, 1, -4, 8, -6, 2, -1, -8, 12, -12, 8, -2, 1, -8, 24, -24, 16, -10, 2, -1, -16, 32, -48, 40, -20, 12, -2, 1, -16, 64, -80, 80, -60, 24, -14, 2, -1, -32, 80, -160, 160, -120, 84, -28, 16, -2, 1, -32, 160, -240, 320, -280, 168, -112, 32, -18, 2, -1]

cp's OEIS Frontend

A123148 Triangle read by rows: T(n,k) is the coefficient of x^k in the polynomial p(n,x) defined by p(0,x) = -1, p(1,x) = x-2, p(n,x) = -xp(n-1,x) + 2p(n-2,x) for n >= 3 and 0 <= k <= n.

Table of values

List of values

cp's OEIS Frontend

A123148 Triangle read by rows: T(n,k) is the coefficient of x^k in the polynomial p(n,x) defined by p(0,x) = -1, p(1,x) = x-2, p(n,x) = -x*p(n-1,x) + 2*p(n-2,x) for n >= 3 and 0 <= k <= n.

Table of values

List of values

A123148 Triangle read by rows: T(n,k) is the coefficient of x^k in the polynomial p(n,x) defined by p(0,x) = -1, p(1,x) = x-2, p(n,x) = -xp(n-1,x) + 2p(n-2,x) for n >= 3 and 0 <= k <= n.