A024848 - cp's OEIS frontend

A024848 a(n) = least m such that if r and s in {1/2, 1/4, 1/6, ..., 1/2n} satisfy r < s, then r < k/m < (k+4)/m < s for some integer k.

n	a(n)
2	19
3	53
4	103
5	169
6	251
7	349
8	463
9	593
10	739
11	901
12	1101
13	1299
14	1537
15	1769
16	2045
17	2311
18	2625
19	2925
20	3277
21	3611
22	4001
23	4369
24	4797
25	5199
26	5665
27	6101
28	6605
29	7075
30	7617
31	8121
32	8701
33	9301
34	9859
35	10497
36	11155
37	11765
38	12461
39	13177
40	13839
41	14593
42	15367
43	16081
44	16893
45	17725

[19, 53, 103, 169, 251, 349, 463, 593, 739, 901, 1101, 1299, 1537, 1769, 2045, 2311, 2625, 2925, 3277, 3611, 4001, 4369, 4797, 5199, 5665, 6101, 6605, 7075, 7617, 8121, 8701, 9301, 9859, 10497, 11155, 11765, 12461, 13177, 13839, 14593, 15367, 16081, 16893, 17725]

cp's OEIS Frontend

A024848 a(n) = least m such that if r and s in {1/2, 1/4, 1/6, ..., 1/2n} satisfy r < s, then r < k/m < (k+4)/m < s for some integer k.

Table of values

List of values