A364020 - cp's OEIS frontend

A364020 Expansion of Sum_{k>0} k * x^(2k) / (1 + x^(5k)).

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

[0, 1, 0, 2, 0, 3, -1, 4, 0, 5, 0, 7, 0, 5, 0, 8, -1, 9, 0, 10, -3, 12, 0, 14, 0, 13, -1, 10, 0, 15, 0, 17, 0, 15, -5, 21, -1, 19, 0, 20, 0, 16, 0, 24, 0, 23, -1, 28, -7, 25, -3, 27, 0, 25, 0, 20, -1, 29, 0, 35, 0, 32, -9, 34, 0, 36, -1, 30, 0, 25, 0, 43, 0, 35, 0, 38, -12, 39, 0, 40, -3, 42, 0, 39, -5, 43, -1]

cp's OEIS Frontend

A364020 Expansion of Sum_{k>0} k * x^(2k) / (1 + x^(5k)).

Table of values

List of values

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

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

cp's OEIS Frontend

A364020 Expansion of Sum_{k>0} k * x^(2*k) / (1 + x^(5*k)).

Table of values

List of values

A364020 Expansion of Sum_{k>0} k * x^(2k) / (1 + x^(5k)).

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