A373188 - cp's OEIS frontend

A373188 Expansion of Sum_{k>=0} x^(4^k) / (1 - x^(4^k))^2.

n	a(n)
1	1
2	2
3	3
4	5
5	5
6	6
7	7
8	10
9	9
10	10
11	11
12	15
13	13
14	14
15	15
16	21
17	17
18	18
19	19
20	25
21	21
22	22
23	23
24	30
25	25
26	26
27	27
28	35
29	29
30	30
31	31
32	42
33	33
34	34
35	35
36	45
37	37
38	38
39	39
40	50
41	41
42	42
43	43
44	55
45	45
46	46
47	47
48	63
49	49
50	50
51	51
52	65
53	53
54	54
55	55
56	70
57	57
58	58
59	59
60	75
61	61
62	62
63	63
64	85
65	65
66	66
67	67
68	85
69	69
70	70
71	71
72	90
73	73
74	74
75	75
76	95
77	77
78	78
79	79
80	105
81	81
82	82
83	83
84	105
85	85
86	86

[1, 2, 3, 5, 5, 6, 7, 10, 9, 10, 11, 15, 13, 14, 15, 21, 17, 18, 19, 25, 21, 22, 23, 30, 25, 26, 27, 35, 29, 30, 31, 42, 33, 34, 35, 45, 37, 38, 39, 50, 41, 42, 43, 55, 45, 46, 47, 63, 49, 50, 51, 65, 53, 54, 55, 70, 57, 58, 59, 75, 61, 62, 63, 85, 65, 66, 67, 85, 69, 70, 71, 90, 73, 74, 75, 95, 77, 78, 79, 105, 81, 82, 83, 105, 85, 86]

cp's OEIS Frontend

A373188 Expansion of Sum_{k>=0} x^(4^k) / (1 - x^(4^k))^2.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	5
6	6
7	7
8	10
9	9
10	10
11	11
12	15
13	13
14	14
15	15
16	21
17	17
18	18
19	19
20	25
21	21
22	22
23	23
24	30
25	25
26	26
27	27
28	35
29	29
30	30
31	31
32	42
33	33
34	34
35	35
36	45
37	37
38	38
39	39
40	50
41	41
42	42
43	43
44	55
45	45
46	46
47	47
48	63
49	49
50	50
51	51
52	65
53	53
54	54
55	55
56	70
57	57
58	58
59	59
60	75
61	61
62	62
63	63
64	85
65	65
66	66
67	67
68	85
69	69
70	70
71	71
72	90
73	73
74	74
75	75
76	95
77	77
78	78
79	79
80	105
81	81
82	82
83	83
84	105
85	85
86	86

n	a(n)
1	1
2	2
3	3
4	5
5	5
6	6
7	7
8	10
9	9
10	10
11	11
12	15
13	13
14	14
15	15
16	21
17	17
18	18
19	19
20	25
21	21
22	22
23	23
24	30
25	25
26	26
27	27
28	35
29	29
30	30
31	31
32	42
33	33
34	34
35	35
36	45
37	37
38	38
39	39
40	50
41	41
42	42
43	43
44	55
45	45
46	46
47	47
48	63
49	49
50	50
51	51
52	65
53	53
54	54
55	55
56	70
57	57
58	58
59	59
60	75
61	61
62	62
63	63
64	85
65	65
66	66
67	67
68	85
69	69
70	70
71	71
72	90
73	73
74	74
75	75
76	95
77	77
78	78
79	79
80	105
81	81
82	82
83	83
84	105
85	85
86	86

n	a(n)
1	1
2	2
3	3
4	5
5	5
6	6
7	7
8	10
9	9
10	10
11	11
12	15
13	13
14	14
15	15
16	21
17	17
18	18
19	19
20	25
21	21
22	22
23	23
24	30
25	25
26	26
27	27
28	35
29	29
30	30
31	31
32	42
33	33
34	34
35	35
36	45
37	37
38	38
39	39
40	50
41	41
42	42
43	43
44	55
45	45
46	46
47	47
48	63
49	49
50	50
51	51
52	65
53	53
54	54
55	55
56	70
57	57
58	58
59	59
60	75
61	61
62	62
63	63
64	85
65	65
66	66
67	67
68	85
69	69
70	70
71	71
72	90
73	73
74	74
75	75
76	95
77	77
78	78
79	79
80	105
81	81
82	82
83	83
84	105
85	85
86	86