A123736 - cp's OEIS frontend

A123736 Triangle T(n,k) = Sum_{j=0..k/2} binomial(n-j-1,k-2*j), read by rows.

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

[1, 0, 1, 1, 1, 0, 1, 2, 2, 1, 1, 0, 1, 3, 4, 3, 2, 1, 1, 0, 1, 4, 7, 7, 5, 3, 2, 1, 1, 0, 1, 5, 11, 14, 12, 8, 5, 3, 2, 1, 1, 0, 1, 6, 16, 25, 26, 20, 13, 8, 5, 3, 2, 1, 1, 0, 1, 7, 22, 41, 51, 46, 33, 21, 13, 8, 5, 3, 2, 1, 1, 0, 1, 8, 29, 63, 92, 97, 79, 54, 34, 21, 13, 8, 5, 3, 2, 1, 1, 0, 1]

cp's OEIS Frontend

A123736 Triangle T(n,k) = Sum_{j=0..k/2} binomial(n-j-1,k-2*j), read by rows.

Table of values

List of values

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

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

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