A364224 - cp's OEIS frontend

A364224 Expansion of Sum_{k>=0} 7^k * x^(7^k) / (1 - x^(7^k))^2.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	14
8	8
9	9
10	10
11	11
12	12
13	13
14	28
15	15
16	16
17	17
18	18
19	19
20	20
21	42
22	22
23	23
24	24
25	25
26	26
27	27
28	56
29	29
30	30
31	31
32	32
33	33
34	34
35	70
36	36
37	37
38	38
39	39
40	40
41	41
42	84
43	43
44	44
45	45
46	46
47	47
48	48
49	147
50	50
51	51
52	52
53	53
54	54
55	55
56	112
57	57
58	58
59	59
60	60
61	61
62	62
63	126
64	64
65	65
66	66
67	67
68	68
69	69
70	140
71	71
72	72
73	73
74	74
75	75
76	76
77	154

[1, 2, 3, 4, 5, 6, 14, 8, 9, 10, 11, 12, 13, 28, 15, 16, 17, 18, 19, 20, 42, 22, 23, 24, 25, 26, 27, 56, 29, 30, 31, 32, 33, 34, 70, 36, 37, 38, 39, 40, 41, 84, 43, 44, 45, 46, 47, 48, 147, 50, 51, 52, 53, 54, 55, 112, 57, 58, 59, 60, 61, 62, 126, 64, 65, 66, 67, 68, 69, 140, 71, 72, 73, 74, 75, 76, 154]

cp's OEIS Frontend

A364224 Expansion of Sum_{k>=0} 7^k * x^(7^k) / (1 - x^(7^k))^2.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	14
8	8
9	9
10	10
11	11
12	12
13	13
14	28
15	15
16	16
17	17
18	18
19	19
20	20
21	42
22	22
23	23
24	24
25	25
26	26
27	27
28	56
29	29
30	30
31	31
32	32
33	33
34	34
35	70
36	36
37	37
38	38
39	39
40	40
41	41
42	84
43	43
44	44
45	45
46	46
47	47
48	48
49	147
50	50
51	51
52	52
53	53
54	54
55	55
56	112
57	57
58	58
59	59
60	60
61	61
62	62
63	126
64	64
65	65
66	66
67	67
68	68
69	69
70	140
71	71
72	72
73	73
74	74
75	75
76	76
77	154

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	14
8	8
9	9
10	10
11	11
12	12
13	13
14	28
15	15
16	16
17	17
18	18
19	19
20	20
21	42
22	22
23	23
24	24
25	25
26	26
27	27
28	56
29	29
30	30
31	31
32	32
33	33
34	34
35	70
36	36
37	37
38	38
39	39
40	40
41	41
42	84
43	43
44	44
45	45
46	46
47	47
48	48
49	147
50	50
51	51
52	52
53	53
54	54
55	55
56	112
57	57
58	58
59	59
60	60
61	61
62	62
63	126
64	64
65	65
66	66
67	67
68	68
69	69
70	140
71	71
72	72
73	73
74	74
75	75
76	76
77	154

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	14
8	8
9	9
10	10
11	11
12	12
13	13
14	28
15	15
16	16
17	17
18	18
19	19
20	20
21	42
22	22
23	23
24	24
25	25
26	26
27	27
28	56
29	29
30	30
31	31
32	32
33	33
34	34
35	70
36	36
37	37
38	38
39	39
40	40
41	41
42	84
43	43
44	44
45	45
46	46
47	47
48	48
49	147
50	50
51	51
52	52
53	53
54	54
55	55
56	112
57	57
58	58
59	59
60	60
61	61
62	62
63	126
64	64
65	65
66	66
67	67
68	68
69	69
70	140
71	71
72	72
73	73
74	74
75	75
76	76
77	154