A024687 - cp's OEIS frontend

A024687 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)*t(n+1-k), where k = floor((n+1)/2), s = A000201 (lower Wythoff sequence), t = A023533.

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

[1, 0, 0, 1, 3, 4, 6, 0, 0, 1, 3, 4, 6, 8, 9, 11, 12, 14, 16, 1, 3, 4, 6, 8, 9, 11, 12, 14, 16, 17, 19, 21, 22, 24, 26, 30, 33, 36, 40, 9, 11, 12, 14, 16, 17, 19, 21, 22, 24, 25, 27, 29, 30, 32, 33, 36, 40, 42, 46, 50, 52, 56, 58, 62, 66, 68, 72, 76, 78, 24, 25, 27, 29, 30, 32, 33, 35, 37, 38, 40]

cp's OEIS Frontend

A024687 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)*t(n+1-k), where k = floor((n+1)/2), s = A000201 (lower Wythoff sequence), t = A023533.

Table of values

List of values

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

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

cp's OEIS Frontend

A024687 a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n+1-k), where k = floor((n+1)/2), s = A000201 (lower Wythoff sequence), t = A023533.

Table of values

List of values

A024687 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)*t(n+1-k), where k = floor((n+1)/2), s = A000201 (lower Wythoff sequence), t = A023533.

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