A098158 - cp's OEIS frontend

A098158 Triangle T(n,k) with diagonals T(n,n-k) = binomial(n, 2*k).

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	0
8	3
9	1
10	0
11	0
12	1
13	6
14	1
15	0
16	0
17	0
18	5
19	10
20	1
21	0
22	0
23	0
24	1
25	15
26	15
27	1
28	0
29	0
30	0
31	0
32	7
33	35
34	21
35	1
36	0
37	0
38	0
39	0
40	1
41	28
42	70
43	28
44	1
45	0
46	0
47	0
48	0
49	0
50	9
51	84
52	126
53	36
54	1
55	0
56	0
57	0
58	0
59	0
60	1
61	45
62	210
63	210
64	45
65	1
66	0
67	0
68	0
69	0
70	0
71	0
72	11
73	165
74	462
75	330
76	55
77	1
78	0
79	0
80	0
81	0
82	0
83	0
84	1
85	66
86	495
87	924

[1, 0, 1, 0, 1, 1, 0, 0, 3, 1, 0, 0, 1, 6, 1, 0, 0, 0, 5, 10, 1, 0, 0, 0, 1, 15, 15, 1, 0, 0, 0, 0, 7, 35, 21, 1, 0, 0, 0, 0, 1, 28, 70, 28, 1, 0, 0, 0, 0, 0, 9, 84, 126, 36, 1, 0, 0, 0, 0, 0, 1, 45, 210, 210, 45, 1, 0, 0, 0, 0, 0, 0, 11, 165, 462, 330, 55, 1, 0, 0, 0, 0, 0, 0, 1, 66, 495, 924]

cp's OEIS Frontend

A098158 Triangle T(n,k) with diagonals T(n,n-k) = binomial(n, 2*k).

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	3
9	1
10	0
11	0
12	1
13	6
14	1
15	0
16	0
17	0
18	5
19	10
20	1
21	0
22	0
23	0
24	1
25	15
26	15
27	1
28	0
29	0
30	0
31	0
32	7
33	35
34	21
35	1
36	0
37	0
38	0
39	0
40	1
41	28
42	70
43	28
44	1
45	0
46	0
47	0
48	0
49	0
50	9
51	84
52	126
53	36
54	1
55	0
56	0
57	0
58	0
59	0
60	1
61	45
62	210
63	210
64	45
65	1
66	0
67	0
68	0
69	0
70	0
71	0
72	11
73	165
74	462
75	330
76	55
77	1
78	0
79	0
80	0
81	0
82	0
83	0
84	1
85	66
86	495
87	924

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	0
8	3
9	1
10	0
11	0
12	1
13	6
14	1
15	0
16	0
17	0
18	5
19	10
20	1
21	0
22	0
23	0
24	1
25	15
26	15
27	1
28	0
29	0
30	0
31	0
32	7
33	35
34	21
35	1
36	0
37	0
38	0
39	0
40	1
41	28
42	70
43	28
44	1
45	0
46	0
47	0
48	0
49	0
50	9
51	84
52	126
53	36
54	1
55	0
56	0
57	0
58	0
59	0
60	1
61	45
62	210
63	210
64	45
65	1
66	0
67	0
68	0
69	0
70	0
71	0
72	11
73	165
74	462
75	330
76	55
77	1
78	0
79	0
80	0
81	0
82	0
83	0
84	1
85	66
86	495
87	924

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	0
8	3
9	1
10	0
11	0
12	1
13	6
14	1
15	0
16	0
17	0
18	5
19	10
20	1
21	0
22	0
23	0
24	1
25	15
26	15
27	1
28	0
29	0
30	0
31	0
32	7
33	35
34	21
35	1
36	0
37	0
38	0
39	0
40	1
41	28
42	70
43	28
44	1
45	0
46	0
47	0
48	0
49	0
50	9
51	84
52	126
53	36
54	1
55	0
56	0
57	0
58	0
59	0
60	1
61	45
62	210
63	210
64	45
65	1
66	0
67	0
68	0
69	0
70	0
71	0
72	11
73	165
74	462
75	330
76	55
77	1
78	0
79	0
80	0
81	0
82	0
83	0
84	1
85	66
86	495
87	924