A024828 - cp's OEIS frontend

A024828 a(n) = least m such that if r and s in {h/(1 + h^2): h = 1,2,...,n} satisfy r < s, then r < k/m < s for some integer k.

n	a(n)
2	7
3	9
4	11
5	14
6	18
7	27
8	32
9	44
10	58
11	66
12	83
13	102
14	112
15	134
16	158
17	184
18	198
19	227
20	258
21	291
22	308
23	344
24	382
25	422
26	464
27	486
28	531
29	578
30	627
31	678
32	704
33	758
34	814
35	872
36	932
37	994
38	1026
39	1091
40	1158
41	1227
42	1298
43	1371
44	1408
45	1484
46	1562
47	1642
48	1724
49	1808
50	1894
51	1938
52	2027
53	2118
54	2211
55	2306

[7, 9, 11, 14, 18, 27, 32, 44, 58, 66, 83, 102, 112, 134, 158, 184, 198, 227, 258, 291, 308, 344, 382, 422, 464, 486, 531, 578, 627, 678, 704, 758, 814, 872, 932, 994, 1026, 1091, 1158, 1227, 1298, 1371, 1408, 1484, 1562, 1642, 1724, 1808, 1894, 1938, 2027, 2118, 2211, 2306]

cp's OEIS Frontend

A024828 a(n) = least m such that if r and s in {h/(1 + h^2): h = 1,2,...,n} satisfy r < s, then r < k/m < s for some integer k.

Table of values

List of values