A364031 - cp's OEIS frontend

A364031 Expansion of Sum_{k>0} k * x^k / (1 + x^(4*k)).

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

[1, 2, 3, 4, 4, 6, 7, 8, 10, 8, 11, 12, 12, 14, 12, 16, 18, 20, 19, 16, 20, 22, 23, 24, 21, 24, 30, 28, 28, 24, 31, 32, 34, 36, 28, 40, 36, 38, 36, 32, 42, 40, 43, 44, 40, 46, 47, 48, 50, 42, 54, 48, 52, 60, 44, 56, 58, 56, 59, 48, 60, 62, 67, 64, 48, 68, 67, 72, 68, 56, 71, 80, 74, 72, 63, 76, 76, 72, 79]

cp's OEIS Frontend

A364031 Expansion of Sum_{k>0} k * x^k / (1 + x^(4*k)).

Table of values

List of values

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

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

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