A124304 - cp's OEIS frontend

A124304 Riordan array (1, x*(1-x^2)).

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

[1, 0, 1, 0, 0, 1, 0, -1, 0, 1, 0, 0, -2, 0, 1, 0, 0, 0, -3, 0, 1, 0, 0, 1, 0, -4, 0, 1, 0, 0, 0, 3, 0, -5, 0, 1, 0, 0, 0, 0, 6, 0, -6, 0, 1, 0, 0, 0, -1, 0, 10, 0, -7, 0, 1, 0, 0, 0, 0, -4, 0, 15, 0, -8, 0, 1, 0, 0, 0, 0, 0, -10, 0, 21, 0, -9, 0, 1, 0, 0, 0, 0, 1, 0, -20, 0, 28, 0, -10, 0, 1]

cp's OEIS Frontend

A124304 Riordan array (1, x*(1-x^2)).

Table of values

List of values

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

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

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