A024845 - cp's OEIS frontend

A024845 a(n) = least m such that if r and s in {1/2, 1/4, 1/6, ..., 1/(2*n)} satisfy r < s, then r < k/m < (k+3)/m < s for some integer k.

n	a(n)
2	15
3	41
4	79
5	129
6	191
7	265
8	351
9	449
10	577
11	703
12	861
13	1013
14	1201
15	1379
16	1597
17	1801
18	2049
19	2279
20	2557
21	2813
22	3121
23	3403
24	3741
25	4049
26	4417
27	4801
28	5151
29	5565
30	5995
31	6385
32	6845
33	7321
34	7751
35	8257
36	8779
37	9249
38	9801
39	10369
40	10879
41	11477
42	12091
43	12641
44	13285
45	13945

[15, 41, 79, 129, 191, 265, 351, 449, 577, 703, 861, 1013, 1201, 1379, 1597, 1801, 2049, 2279, 2557, 2813, 3121, 3403, 3741, 4049, 4417, 4801, 5151, 5565, 5995, 6385, 6845, 7321, 7751, 8257, 8779, 9249, 9801, 10369, 10879, 11477, 12091, 12641, 13285, 13945]

cp's OEIS Frontend

A024845 a(n) = least m such that if r and s in {1/2, 1/4, 1/6, ..., 1/(2*n)} satisfy r < s, then r < k/m < (k+3)/m < s for some integer k.

Table of values

List of values