A226189 - cp's OEIS frontend

A226189 Least positive integer k such that 1 + 1/2 + ... + 1/k >= sqrt(n).

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	11
10	13
11	15
12	18
13	21
14	24
15	27
16	31
17	35
18	39
19	44
20	49
21	55
22	61
23	68
24	75
25	83
26	92
27	101
28	112
29	122
30	134
31	147
32	161
33	175
34	191
35	208
36	227
37	246
38	267
39	289
40	313
41	339
42	366
43	396
44	427
45	460
46	495
47	533
48	573
49	616
50	661
51	709
52	760
53	815
54	872
55	934
56	998
57	1067
58	1140

[1, 2, 3, 4, 5, 6, 8, 9, 11, 13, 15, 18, 21, 24, 27, 31, 35, 39, 44, 49, 55, 61, 68, 75, 83, 92, 101, 112, 122, 134, 147, 161, 175, 191, 208, 227, 246, 267, 289, 313, 339, 366, 396, 427, 460, 495, 533, 573, 616, 661, 709, 760, 815, 872, 934, 998, 1067, 1140]

cp's OEIS Frontend

A226189 Least positive integer k such that 1 + 1/2 + ... + 1/k >= sqrt(n).

Table of values

List of values