A136674 - cp's OEIS frontend

A136674 Triangle T(n,k) read by rows: coefficient [x^k] of the polynomial p(n,x) with p(0,x) = 1, p(1,x) = 2 - x, p(2,x) = 1 - 4x + x^2 and p(n,x) = (2-x)p(n-1,x) - p(n-2,x) if n>2.

n	a(n)
0	1
1	2
2	-1
3	1
4	-4
5	1
6	0
7	-8
8	6
9	-1
10	-1
11	-12
12	19
13	-8
14	1
15	-2
16	-15
17	44
18	-34
19	10
20	-1
21	-3
22	-16
23	84
24	-104
25	53
26	-12
27	1
28	-4
29	-14
30	140
31	-258
32	200
33	-76
34	14
35	-1
36	-5
37	-8
38	210
39	-552
40	605
41	-340
42	103
43	-16
44	1
45	-6
46	3
47	288
48	-1056
49	1562
50	-1209
51	532
52	-134
53	18
54	-1
55	-7
56	20
57	363
58	-1848
59	3575
60	-3640
61	2170
62	-784
63	169
64	-20
65	1

[1, 2, -1, 1, -4, 1, 0, -8, 6, -1, -1, -12, 19, -8, 1, -2, -15, 44, -34, 10, -1, -3, -16, 84, -104, 53, -12, 1, -4, -14, 140, -258, 200, -76, 14, -1, -5, -8, 210, -552, 605, -340, 103, -16, 1, -6, 3, 288, -1056, 1562, -1209, 532, -134, 18, -1, -7, 20, 363, -1848, 3575, -3640, 2170, -784, 169, -20, 1]

cp's OEIS Frontend

A136674 Triangle T(n,k) read by rows: coefficient [x^k] of the polynomial p(n,x) with p(0,x) = 1, p(1,x) = 2 - x, p(2,x) = 1 - 4x + x^2 and p(n,x) = (2-x)p(n-1,x) - p(n-2,x) if n>2.

Table of values

List of values

cp's OEIS Frontend

A136674 Triangle T(n,k) read by rows: coefficient [x^k] of the polynomial p(n,x) with p(0,x) = 1, p(1,x) = 2 - x, p(2,x) = 1 - 4*x + x^2 and p(n,x) = (2-x)*p(n-1,x) - p(n-2,x) if n>2.

Table of values

List of values

A136674 Triangle T(n,k) read by rows: coefficient [x^k] of the polynomial p(n,x) with p(0,x) = 1, p(1,x) = 2 - x, p(2,x) = 1 - 4x + x^2 and p(n,x) = (2-x)p(n-1,x) - p(n-2,x) if n>2.