A248186 - cp's OEIS frontend

A248186 Least k such that 1/18 - Sum_{h=1..k} 1/(h(h+1)(h+2)*(h+3)) < 1/n^3.

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

[1, 1, 1, 1, 2, 3, 3, 4, 5, 5, 6, 7, 8, 8, 9, 10, 10, 11, 12, 12, 13, 14, 14, 15, 16, 17, 17, 18, 19, 19, 20, 21, 21, 22, 23, 23, 24, 25, 26, 26, 27, 28, 28, 29, 30, 30, 31, 32, 32, 33, 34, 35, 35, 36, 37, 37, 38, 39, 39, 40, 41, 41, 42, 43, 44, 44, 45, 46]

cp's OEIS Frontend

A248186 Least k such that 1/18 - Sum_{h=1..k} 1/(h(h+1)(h+2)*(h+3)) < 1/n^3.

Table of values

List of values

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

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

cp's OEIS Frontend

A248186 Least k such that 1/18 - Sum_{h=1..k} 1/(h*(h+1)*(h+2)*(h+3)) < 1/n^3.

Table of values

List of values

A248186 Least k such that 1/18 - Sum_{h=1..k} 1/(h(h+1)(h+2)*(h+3)) < 1/n^3.

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