A024376 - cp's OEIS frontend

A024376 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A023532, t = A014306.

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

[0, 1, 1, 0, 2, 1, 2, 3, 3, 2, 4, 3, 4, 5, 5, 5, 5, 6, 6, 6, 8, 7, 8, 9, 9, 9, 9, 10, 10, 10, 11, 11, 13, 12, 12, 13, 13, 13, 15, 14, 15, 15, 17, 16, 17, 17, 18, 19, 19, 19, 20, 20, 20, 21, 21, 20, 22, 21, 22, 23, 24, 23, 24, 25, 25, 25, 26, 26, 28, 27, 28, 28, 29, 29, 31, 30, 31, 31, 32, 32, 33, 34, 34, 33]

cp's OEIS Frontend

A024376 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A023532, t = A014306.

Table of values

List of values

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

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

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