A122766 - cp's OEIS frontend

A122766 Triangle read by rows: let p(n, x) = x*p(n-1, x) - p(n-2, x), then T(n, x) = d^2/dx^2 (p(n, x)).

n	a(n)
1	2
2	-2
3	6
4	-6
5	-6
6	12
7	6
8	-24
9	-12
10	20
11	12
12	24
13	-60
14	-20
15	30
16	-12
17	60
18	60
19	-120
20	-30
21	42
22	-20
23	-60
24	180
25	120
26	-210
27	-42
28	56
29	20
30	-120
31	-180
32	420
33	210
34	-336
35	-56
36	72
37	30
38	120
39	-420
40	-420
41	840
42	336
43	-504
44	-72
45	90
46	-30
47	210
48	420
49	-1120
50	-840
51	1512
52	504
53	-720
54	-90
55	110

[2, -2, 6, -6, -6, 12, 6, -24, -12, 20, 12, 24, -60, -20, 30, -12, 60, 60, -120, -30, 42, -20, -60, 180, 120, -210, -42, 56, 20, -120, -180, 420, 210, -336, -56, 72, 30, 120, -420, -420, 840, 336, -504, -72, 90, -30, 210, 420, -1120, -840, 1512, 504, -720, -90, 110]

cp's OEIS Frontend

A122766 Triangle read by rows: let p(n, x) = x*p(n-1, x) - p(n-2, x), then T(n, x) = d^2/dx^2 (p(n, x)).

Table of values

List of values