A217257 - cp's OEIS frontend

A217257 Square array T, read by antidiagonals: T(n,k) = 0 if n-k >= 1 or if k-n >= 7, T(0,0) = T(0,1) = T(0,2) = T(0,3) = T(0,3) = T(0,4) = T(0,5) = T(0,6) = 1, T(n,k) = T(n-1,k) + T(n,k-1).

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	0
9	0
10	1
11	3
12	2
13	0
14	0
15	1
16	4
17	5
18	0
19	0
20	0
21	1
22	5
23	9
24	5
25	0
26	0
27	0
28	0
29	6
30	14
31	14
32	0
33	0
34	0
35	0
36	0
37	6
38	20
39	28
40	14
41	0
42	0
43	0
44	0
45	0
46	0
47	26
48	48
49	42
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	26
58	74
59	90
60	42
61	0
62	0
63	0
64	0
65	0
66	0
67	0
68	0
69	100
70	164
71	132
72	0
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	0
81	100
82	264
83	296
84	132
85	0
86	0
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	0
95	364
96	560
97	428
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	0
106	0

[1, 1, 0, 1, 1, 0, 1, 2, 0, 0, 1, 3, 2, 0, 0, 1, 4, 5, 0, 0, 0, 1, 5, 9, 5, 0, 0, 0, 0, 6, 14, 14, 0, 0, 0, 0, 0, 6, 20, 28, 14, 0, 0, 0, 0, 0, 0, 26, 48, 42, 0, 0, 0, 0, 0, 0, 0, 26, 74, 90, 42, 0, 0, 0, 0, 0, 0, 0, 0, 100, 164, 132, 0, 0, 0, 0, 0, 0, 0, 0, 0, 100, 264, 296, 132, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 364, 560, 428, 0, 0, 0, 0, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A217257 Square array T, read by antidiagonals: T(n,k) = 0 if n-k >= 1 or if k-n >= 7, T(0,0) = T(0,1) = T(0,2) = T(0,3) = T(0,3) = T(0,4) = T(0,5) = T(0,6) = 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	0
3	1
4	1
5	0
6	1
7	2
8	0
9	0
10	1
11	3
12	2
13	0
14	0
15	1
16	4
17	5
18	0
19	0
20	0
21	1
22	5
23	9
24	5
25	0
26	0
27	0
28	0
29	6
30	14
31	14
32	0
33	0
34	0
35	0
36	0
37	6
38	20
39	28
40	14
41	0
42	0
43	0
44	0
45	0
46	0
47	26
48	48
49	42
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	26
58	74
59	90
60	42
61	0
62	0
63	0
64	0
65	0
66	0
67	0
68	0
69	100
70	164
71	132
72	0
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	0
81	100
82	264
83	296
84	132
85	0
86	0
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	0
95	364
96	560
97	428
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	0
106	0

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	0
9	0
10	1
11	3
12	2
13	0
14	0
15	1
16	4
17	5
18	0
19	0
20	0
21	1
22	5
23	9
24	5
25	0
26	0
27	0
28	0
29	6
30	14
31	14
32	0
33	0
34	0
35	0
36	0
37	6
38	20
39	28
40	14
41	0
42	0
43	0
44	0
45	0
46	0
47	26
48	48
49	42
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	26
58	74
59	90
60	42
61	0
62	0
63	0
64	0
65	0
66	0
67	0
68	0
69	100
70	164
71	132
72	0
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	0
81	100
82	264
83	296
84	132
85	0
86	0
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	0
95	364
96	560
97	428
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	0
106	0

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	0
9	0
10	1
11	3
12	2
13	0
14	0
15	1
16	4
17	5
18	0
19	0
20	0
21	1
22	5
23	9
24	5
25	0
26	0
27	0
28	0
29	6
30	14
31	14
32	0
33	0
34	0
35	0
36	0
37	6
38	20
39	28
40	14
41	0
42	0
43	0
44	0
45	0
46	0
47	26
48	48
49	42
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	26
58	74
59	90
60	42
61	0
62	0
63	0
64	0
65	0
66	0
67	0
68	0
69	100
70	164
71	132
72	0
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	0
81	100
82	264
83	296
84	132
85	0
86	0
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	0
95	364
96	560
97	428
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	0
106	0