A168557 - cp's OEIS frontend

A168557 Triangle T(n,k) read by rows: coefficient [x^k] of the polynomial (-1)^n*((x + 1)^n - x^n + 1), 0 <= k <= max(0, n - 1).

n	a(n)
0	1
1	-2
2	2
3	2
4	-2
5	-3
6	-3
7	2
8	4
9	6
10	4
11	-2
12	-5
13	-10
14	-10
15	-5
16	2
17	6
18	15
19	20
20	15
21	6
22	-2
23	-7
24	-21
25	-35
26	-35
27	-21
28	-7
29	2
30	8
31	28
32	56
33	70
34	56
35	28
36	8
37	-2
38	-9
39	-36
40	-84
41	-126
42	-126
43	-84
44	-36
45	-9
46	2
47	10
48	45
49	120
50	210
51	252
52	210
53	120
54	45
55	10
56	-2
57	-11
58	-55
59	-165
60	-330
61	-462
62	-462
63	-330

[1, -2, 2, 2, -2, -3, -3, 2, 4, 6, 4, -2, -5, -10, -10, -5, 2, 6, 15, 20, 15, 6, -2, -7, -21, -35, -35, -21, -7, 2, 8, 28, 56, 70, 56, 28, 8, -2, -9, -36, -84, -126, -126, -84, -36, -9, 2, 10, 45, 120, 210, 252, 210, 120, 45, 10, -2, -11, -55, -165, -330, -462, -462, -330]

cp's OEIS Frontend

A168557 Triangle T(n,k) read by rows: coefficient [x^k] of the polynomial (-1)^n*((x + 1)^n - x^n + 1), 0 <= k <= max(0, n - 1).

Table of values

List of values