A137277 - cp's OEIS frontend

A137277 Triangle of the coefficients [x^k] P_n(x) of the polynomials P_n(x) = 1/n * sum(j=0..floor(n/2), (-1)^j * binomial(n,j) * (n-4j) x^(n-2*j) ).

n	a(n)
0	1
1	0
2	1
3	2
4	0
5	1
6	0
7	1
8	0
9	1
10	-6
11	0
12	0
13	0
14	1
15	0
16	-6
17	0
18	-1
19	0
20	1
21	20
22	0
23	-5
24	0
25	-2
26	0
27	1
28	0
29	25
30	0
31	-3
32	0
33	-3
34	0
35	1
36	-70
37	0
38	28
39	0
40	0
41	0
42	-4
43	0
44	1
45	0
46	-98
47	0
48	28
49	0
50	4
51	0
52	-5
53	0
54	1
55	252
56	0
57	-126
58	0
59	24
60	0
61	9
62	0
63	-6
64	0
65	1
66	0
67	378
68	0
69	-150
70	0
71	15
72	0
73	15
74	0
75	-7
76	0
77	1
78	-924
79	0
80	528
81	0
82	-165
83	0
84	0
85	0
86	22
87	0
88	-8
89	0
90	1
91	0
92	-1452

[1, 0, 1, 2, 0, 1, 0, 1, 0, 1, -6, 0, 0, 0, 1, 0, -6, 0, -1, 0, 1, 20, 0, -5, 0, -2, 0, 1, 0, 25, 0, -3, 0, -3, 0, 1, -70, 0, 28, 0, 0, 0, -4, 0, 1, 0, -98, 0, 28, 0, 4, 0, -5, 0, 1, 252, 0, -126, 0, 24, 0, 9, 0, -6, 0, 1, 0, 378, 0, -150, 0, 15, 0, 15, 0, -7, 0, 1, -924, 0, 528, 0, -165, 0, 0, 0, 22, 0, -8, 0, 1, 0, -1452]

cp's OEIS Frontend

A137277 Triangle of the coefficients [x^k] P_n(x) of the polynomials P_n(x) = 1/n * sum(j=0..floor(n/2), (-1)^j * binomial(n,j) * (n-4j) x^(n-2*j) ).

Table of values

List of values

cp's OEIS Frontend

A137277 Triangle of the coefficients [x^k] P_n(x) of the polynomials P_n(x) = 1/n * sum(j=0..floor(n/2), (-1)^j * binomial(n,j) * (n-4*j) * x^(n-2*j) ).

Table of values

List of values

A137277 Triangle of the coefficients [x^k] P_n(x) of the polynomials P_n(x) = 1/n * sum(j=0..floor(n/2), (-1)^j * binomial(n,j) * (n-4j) x^(n-2*j) ).