A216218 - cp's OEIS frontend

A216218 Square array T, read by antidiagonals: T(n,k) = 0 if n-k>=2 or if k-n>=2, T(1,0) = T(0,0) = T(0,1) = 1, T(n,k) = T(n-1,k) + T(n,k-1).

n	a(n)
0	1
1	1
2	1
3	0
4	2
5	0
6	0
7	2
8	2
9	0
10	0
11	0
12	4
13	0
14	0
15	0
16	0
17	4
18	4
19	0
20	0
21	0
22	0
23	0
24	8
25	0
26	0
27	0
28	0
29	0
30	0
31	8
32	8
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	16
41	0
42	0
43	0
44	0
45	0
46	0
47	0
48	0
49	16
50	16
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	0
60	32
61	0
62	0
63	0
64	0
65	0
66	0
67	0
68	0
69	0

[1, 1, 1, 0, 2, 0, 0, 2, 2, 0, 0, 0, 4, 0, 0, 0, 0, 4, 4, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 8, 8, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0, 0, 0, 16, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A216218 Square array T, read by antidiagonals: T(n,k) = 0 if n-k>=2 or if k-n>=2, T(1,0) = T(0,0) = T(0,1) = 1, T(n,k) = T(n-1,k) + T(n,k-1).

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	0
4	2
5	0
6	0
7	2
8	2
9	0
10	0
11	0
12	4
13	0
14	0
15	0
16	0
17	4
18	4
19	0
20	0
21	0
22	0
23	0
24	8
25	0
26	0
27	0
28	0
29	0
30	0
31	8
32	8
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	16
41	0
42	0
43	0
44	0
45	0
46	0
47	0
48	0
49	16
50	16
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	0
60	32
61	0
62	0
63	0
64	0
65	0
66	0
67	0
68	0
69	0

n	a(n)
0	1
1	1
2	1
3	0
4	2
5	0
6	0
7	2
8	2
9	0
10	0
11	0
12	4
13	0
14	0
15	0
16	0
17	4
18	4
19	0
20	0
21	0
22	0
23	0
24	8
25	0
26	0
27	0
28	0
29	0
30	0
31	8
32	8
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	16
41	0
42	0
43	0
44	0
45	0
46	0
47	0
48	0
49	16
50	16
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	0
60	32
61	0
62	0
63	0
64	0
65	0
66	0
67	0
68	0
69	0

n	a(n)
0	1
1	1
2	1
3	0
4	2
5	0
6	0
7	2
8	2
9	0
10	0
11	0
12	4
13	0
14	0
15	0
16	0
17	4
18	4
19	0
20	0
21	0
22	0
23	0
24	8
25	0
26	0
27	0
28	0
29	0
30	0
31	8
32	8
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	16
41	0
42	0
43	0
44	0
45	0
46	0
47	0
48	0
49	16
50	16
51	0
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	0
60	32
61	0
62	0
63	0
64	0
65	0
66	0
67	0
68	0
69	0