A104505 - cp's OEIS frontend

A104505 Triangle, read by rows, equal to the right-hand side of the triangle A084610, with row n listing the coefficients of (1+x-x^2)^n: T(n,k) = [x^(n+k)] (1+x-x^2)^n, for n>=k>=0.

n	a(n)
0	1
1	1
2	-1
3	-1
4	-2
5	1
6	-5
7	0
8	3
9	-1
10	-5
11	8
12	2
13	-4
14	1
15	11
16	15
17	-10
18	-5
19	5
20	-1
21	41
22	-6
23	-30
24	10
25	9
26	-6
27	1
28	29
29	-77
30	-14
31	49
32	-7
33	-14
34	7
35	-1
36	-125
37	-120
38	112
39	56
40	-70
41	0
42	20
43	-8
44	1
45	-365
46	117
47	288
48	-126
49	-126
50	90
51	12
52	-27
53	9
54	-1
55	-131
56	770
57	45
58	-540
59	90
60	228
61	-105
62	-30
63	35
64	-10
65	1
66	1409
67	946
68	-1265
69	-495
70	858
71	33
72	-363
73	110
74	55
75	-44

[1, 1, -1, -1, -2, 1, -5, 0, 3, -1, -5, 8, 2, -4, 1, 11, 15, -10, -5, 5, -1, 41, -6, -30, 10, 9, -6, 1, 29, -77, -14, 49, -7, -14, 7, -1, -125, -120, 112, 56, -70, 0, 20, -8, 1, -365, 117, 288, -126, -126, 90, 12, -27, 9, -1, -131, 770, 45, -540, 90, 228, -105, -30, 35, -10, 1, 1409, 946, -1265, -495, 858, 33, -363, 110, 55, -44]

cp's OEIS Frontend

A104505 Triangle, read by rows, equal to the right-hand side of the triangle A084610, with row n listing the coefficients of (1+x-x^2)^n: T(n,k) = [x^(n+k)] (1+x-x^2)^n, for n>=k>=0.

Table of values

List of values