A178112 - cp's OEIS frontend

A178112 Number triangle T(n,k)=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

A178112 Number triangle T(n,k)=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

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