A178111 - cp's OEIS frontend

A178111 Number triangle T(n,k)=(-1)^((n-k)/2)C(floor(n/2),floor(k/2))(1+(-1)^(n-k))/2.

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

[1, 0, 1, -1, 0, 1, 0, -1, 0, 1, 1, 0, -2, 0, 1, 0, 1, 0, -2, 0, 1, -1, 0, 3, 0, -3, 0, 1, 0, -1, 0, 3, 0, -3, 0, 1, 1, 0, -4, 0, 6, 0, -4, 0, 1, 0, 1, 0, -4, 0, 6, 0, -4, 0, 1, -1, 0, 5, 0, -10, 0, 10, 0, -5, 0, 1, 0, -1, 0, 5, 0, -10, 0, 10, 0, -5, 0, 1, 1, 0, -6, 0, 15, 0, -20, 0, 15, 0, -6, 0, 1]

cp's OEIS Frontend

A178111 Number triangle T(n,k)=(-1)^((n-k)/2)C(floor(n/2),floor(k/2))(1+(-1)^(n-k))/2.

Table of values

List of values

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

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

cp's OEIS Frontend

A178111 Number triangle T(n,k)=(-1)^((n-k)/2)*C(floor(n/2),floor(k/2))*(1+(-1)^(n-k))/2.

Table of values

List of values

A178111 Number triangle T(n,k)=(-1)^((n-k)/2)C(floor(n/2),floor(k/2))(1+(-1)^(n-k))/2.

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