A109466 - cp's OEIS frontend

A109466 Riordan array (1, x(1-x)).

n	a(n)
0	1
1	0
2	1
3	0
4	-1
5	1
6	0
7	0
8	-2
9	1
10	0
11	0
12	1
13	-3
14	1
15	0
16	0
17	0
18	3
19	-4
20	1
21	0
22	0
23	0
24	-1
25	6
26	-5
27	1
28	0
29	0
30	0
31	0
32	-4
33	10
34	-6
35	1
36	0
37	0
38	0
39	0
40	1
41	-10
42	15
43	-7
44	1
45	0
46	0
47	0
48	0
49	0
50	5
51	-20
52	21
53	-8
54	1
55	0
56	0
57	0
58	0
59	0
60	-1
61	15
62	-35
63	28
64	-9
65	1
66	0
67	0
68	0
69	0
70	0
71	0
72	-6
73	35
74	-56
75	36
76	-10
77	1
78	0
79	0
80	0
81	0
82	0
83	0
84	1
85	-21
86	70
87	-84
88	45
89	-11
90	1
91	0
92	0
93	0
94	0

[1, 0, 1, 0, -1, 1, 0, 0, -2, 1, 0, 0, 1, -3, 1, 0, 0, 0, 3, -4, 1, 0, 0, 0, -1, 6, -5, 1, 0, 0, 0, 0, -4, 10, -6, 1, 0, 0, 0, 0, 1, -10, 15, -7, 1, 0, 0, 0, 0, 0, 5, -20, 21, -8, 1, 0, 0, 0, 0, 0, -1, 15, -35, 28, -9, 1, 0, 0, 0, 0, 0, 0, -6, 35, -56, 36, -10, 1, 0, 0, 0, 0, 0, 0, 1, -21, 70, -84, 45, -11, 1, 0, 0, 0, 0]

cp's OEIS Frontend

A109466 Riordan array (1, x(1-x)).

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	-1
5	1
6	0
7	0
8	-2
9	1
10	0
11	0
12	1
13	-3
14	1
15	0
16	0
17	0
18	3
19	-4
20	1
21	0
22	0
23	0
24	-1
25	6
26	-5
27	1
28	0
29	0
30	0
31	0
32	-4
33	10
34	-6
35	1
36	0
37	0
38	0
39	0
40	1
41	-10
42	15
43	-7
44	1
45	0
46	0
47	0
48	0
49	0
50	5
51	-20
52	21
53	-8
54	1
55	0
56	0
57	0
58	0
59	0
60	-1
61	15
62	-35
63	28
64	-9
65	1
66	0
67	0
68	0
69	0
70	0
71	0
72	-6
73	35
74	-56
75	36
76	-10
77	1
78	0
79	0
80	0
81	0
82	0
83	0
84	1
85	-21
86	70
87	-84
88	45
89	-11
90	1
91	0
92	0
93	0
94	0

n	a(n)
0	1
1	0
2	1
3	0
4	-1
5	1
6	0
7	0
8	-2
9	1
10	0
11	0
12	1
13	-3
14	1
15	0
16	0
17	0
18	3
19	-4
20	1
21	0
22	0
23	0
24	-1
25	6
26	-5
27	1
28	0
29	0
30	0
31	0
32	-4
33	10
34	-6
35	1
36	0
37	0
38	0
39	0
40	1
41	-10
42	15
43	-7
44	1
45	0
46	0
47	0
48	0
49	0
50	5
51	-20
52	21
53	-8
54	1
55	0
56	0
57	0
58	0
59	0
60	-1
61	15
62	-35
63	28
64	-9
65	1
66	0
67	0
68	0
69	0
70	0
71	0
72	-6
73	35
74	-56
75	36
76	-10
77	1
78	0
79	0
80	0
81	0
82	0
83	0
84	1
85	-21
86	70
87	-84
88	45
89	-11
90	1
91	0
92	0
93	0
94	0

n	a(n)
0	1
1	0
2	1
3	0
4	-1
5	1
6	0
7	0
8	-2
9	1
10	0
11	0
12	1
13	-3
14	1
15	0
16	0
17	0
18	3
19	-4
20	1
21	0
22	0
23	0
24	-1
25	6
26	-5
27	1
28	0
29	0
30	0
31	0
32	-4
33	10
34	-6
35	1
36	0
37	0
38	0
39	0
40	1
41	-10
42	15
43	-7
44	1
45	0
46	0
47	0
48	0
49	0
50	5
51	-20
52	21
53	-8
54	1
55	0
56	0
57	0
58	0
59	0
60	-1
61	15
62	-35
63	28
64	-9
65	1
66	0
67	0
68	0
69	0
70	0
71	0
72	-6
73	35
74	-56
75	36
76	-10
77	1
78	0
79	0
80	0
81	0
82	0
83	0
84	1
85	-21
86	70
87	-84
88	45
89	-11
90	1
91	0
92	0
93	0
94	0