A248633 - cp's OEIS frontend

A248633 Least k such that 20/27- sum{(h^2)/4^h, h = 1..k} < 1/8^n.

n	a(n)
1	3
2	5
3	7
4	9
5	11
6	12
7	14
8	16
9	17
10	19
11	21
12	22
13	24
14	25
15	27
16	29
17	30
18	32
19	33
20	35
21	36
22	38
23	40
24	41
25	43
26	44
27	46
28	47
29	49
30	50
31	52
32	53
33	55
34	57
35	58
36	60
37	61
38	63
39	64
40	66
41	67
42	69
43	70
44	72
45	73
46	75
47	76
48	78
49	80
50	81
51	83
52	84
53	86
54	87
55	89
56	90
57	92
58	93
59	95
60	96
61	98
62	99
63	101
64	102
65	104

[3, 5, 7, 9, 11, 12, 14, 16, 17, 19, 21, 22, 24, 25, 27, 29, 30, 32, 33, 35, 36, 38, 40, 41, 43, 44, 46, 47, 49, 50, 52, 53, 55, 57, 58, 60, 61, 63, 64, 66, 67, 69, 70, 72, 73, 75, 76, 78, 80, 81, 83, 84, 86, 87, 89, 90, 92, 93, 95, 96, 98, 99, 101, 102, 104]

cp's OEIS Frontend

A248633 Least k such that 20/27- sum{(h^2)/4^h, h = 1..k} < 1/8^n.

Table of values

List of values

n	a(n)
1	3
2	5
3	7
4	9
5	11
6	12
7	14
8	16
9	17
10	19
11	21
12	22
13	24
14	25
15	27
16	29
17	30
18	32
19	33
20	35
21	36
22	38
23	40
24	41
25	43
26	44
27	46
28	47
29	49
30	50
31	52
32	53
33	55
34	57
35	58
36	60
37	61
38	63
39	64
40	66
41	67
42	69
43	70
44	72
45	73
46	75
47	76
48	78
49	80
50	81
51	83
52	84
53	86
54	87
55	89
56	90
57	92
58	93
59	95
60	96
61	98
62	99
63	101
64	102
65	104

n	a(n)
1	3
2	5
3	7
4	9
5	11
6	12
7	14
8	16
9	17
10	19
11	21
12	22
13	24
14	25
15	27
16	29
17	30
18	32
19	33
20	35
21	36
22	38
23	40
24	41
25	43
26	44
27	46
28	47
29	49
30	50
31	52
32	53
33	55
34	57
35	58
36	60
37	61
38	63
39	64
40	66
41	67
42	69
43	70
44	72
45	73
46	75
47	76
48	78
49	80
50	81
51	83
52	84
53	86
54	87
55	89
56	90
57	92
58	93
59	95
60	96
61	98
62	99
63	101
64	102
65	104

n	a(n)
1	3
2	5
3	7
4	9
5	11
6	12
7	14
8	16
9	17
10	19
11	21
12	22
13	24
14	25
15	27
16	29
17	30
18	32
19	33
20	35
21	36
22	38
23	40
24	41
25	43
26	44
27	46
28	47
29	49
30	50
31	52
32	53
33	55
34	57
35	58
36	60
37	61
38	63
39	64
40	66
41	67
42	69
43	70
44	72
45	73
46	75
47	76
48	78
49	80
50	81
51	83
52	84
53	86
54	87
55	89
56	90
57	92
58	93
59	95
60	96
61	98
62	99
63	101
64	102
65	104