A335190 - cp's OEIS frontend

A335190 a(n) is the number of values of k < n for which 4*(a(k) + a(n-k)) <= n.

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

[0, 1, 0, 2, 2, 1, 2, 6, 2, 4, 0, 5, 4, 2, 6, 8, 4, 7, 2, 8, 6, 3, 10, 12, 6, 10, 4, 11, 8, 4, 12, 14, 8, 13, 6, 14, 10, 5, 14, 18, 10, 14, 8, 17, 10, 10, 18, 20, 14, 17, 12, 20, 10, 13, 16, 22, 16, 14, 14, 25, 10, 14, 16, 24, 22, 19, 16, 28, 12, 17, 20, 30, 24]

cp's OEIS Frontend

A335190 a(n) is the number of values of k < n for which 4*(a(k) + a(n-k)) <= n.

Table of values

List of values

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

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

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