A376650 - cp's OEIS frontend

A376650 a(n) = Sum_{k=0..floor(n/4)} binomial(floor(k/3),n-4*k).

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

[1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 2, 1, 0, 1, 2, 1, 0, 1, 2, 1, 0, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 4, 6, 4, 2, 4, 6, 4, 2, 4, 6, 4, 2, 5, 10, 10, 6, 6, 10, 10, 6, 6, 10, 10, 6, 7, 15, 20, 16, 12, 16, 20, 16, 12, 16, 20, 16, 13, 22, 35, 36]

cp's OEIS Frontend

A376650 a(n) = Sum_{k=0..floor(n/4)} binomial(floor(k/3),n-4*k).

Table of values

List of values

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

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

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