A248975 - cp's OEIS frontend

A248975 Triangle read by rows: T(n,k) is the coefficient A_k in the transformation of 1 + x + x^2 + ... + x^n to the polynomial A_k*(x+(-1)^k)^k for 0 <= k <= n.

n	a(n)
0	1
1	2
2	1
3	-1
4	-1
5	1
6	-12
7	-10
8	4
9	1
10	45
11	34
12	-14
13	-3
14	1
15	406
16	319
17	-124
18	-33
19	6
20	1
21	-2357
22	-1847
23	731
24	187
25	-39
26	-5
27	1
28	-26968
29	-21188
30	8312
31	2182
32	-424
33	-68
34	8
35	1
36	223769
37	175700
38	-69052
39	-18034
40	3566
41	548
42	-76
43	-7
44	1
45	3096810
46	2432333
47	-955048
48	-250126
49	49052
50	7730
51	-1000
52	-115
53	10
54	1

[1, 2, 1, -1, -1, 1, -12, -10, 4, 1, 45, 34, -14, -3, 1, 406, 319, -124, -33, 6, 1, -2357, -1847, 731, 187, -39, -5, 1, -26968, -21188, 8312, 2182, -424, -68, 8, 1, 223769, 175700, -69052, -18034, 3566, 548, -76, -7, 1, 3096810, 2432333, -955048, -250126, 49052, 7730, -1000, -115, 10, 1]

cp's OEIS Frontend

A248975 Triangle read by rows: T(n,k) is the coefficient A_k in the transformation of 1 + x + x^2 + ... + x^n to the polynomial A_k*(x+(-1)^k)^k for 0 <= k <= n.

Table of values

List of values