A349812 - cp's OEIS frontend

A349812 Triangle read by rows: row 1 is [1]; for n >= 1, row n gives coefficients of expansion of (-1/x + x)*(1/x + 1 + x)^(n-1) in order of increasing powers of x.

n	a(n)
0	1
1	-1
2	0
3	1
4	-1
5	-1
6	0
7	1
8	1
9	-1
10	-2
11	-2
12	0
13	2
14	2
15	1
16	-1
17	-3
18	-5
19	-4
20	0
21	4
22	5
23	3
24	1
25	-1
26	-4
27	-9
28	-12
29	-9
30	0
31	9
32	12
33	9
34	4
35	1
36	-1
37	-5
38	-14
39	-25
40	-30
41	-21
42	0
43	21
44	30
45	25
46	14
47	5
48	1
49	-1
50	-6
51	-20
52	-44
53	-69
54	-76
55	-51
56	0
57	51
58	76
59	69
60	44
61	20
62	6
63	1
64	-1
65	-7
66	-27
67	-70
68	-133
69	-189
70	-196
71	-127
72	0
73	127
74	196
75	189
76	133
77	70
78	27
79	7
80	1

[1, -1, 0, 1, -1, -1, 0, 1, 1, -1, -2, -2, 0, 2, 2, 1, -1, -3, -5, -4, 0, 4, 5, 3, 1, -1, -4, -9, -12, -9, 0, 9, 12, 9, 4, 1, -1, -5, -14, -25, -30, -21, 0, 21, 30, 25, 14, 5, 1, -1, -6, -20, -44, -69, -76, -51, 0, 51, 76, 69, 44, 20, 6, 1, -1, -7, -27, -70, -133, -189, -196, -127, 0, 127, 196, 189, 133, 70, 27, 7, 1]

cp's OEIS Frontend

A349812 Triangle read by rows: row 1 is [1]; for n >= 1, row n gives coefficients of expansion of (-1/x + x)*(1/x + 1 + x)^(n-1) in order of increasing powers of x.

Table of values

List of values