cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A024826 Least m such that if r and s in {1/1, 1/3, 1/6,..., 1/C(n+1,2)} satisfy r < s, then r < k/m < s for some integer k.

Table of values

n a(n)
2 2
3 4
4 7
5 13
6 31
7 46
8 64
9 85
10 145
11 181
12 226
13 331
14 397
15 469
16 638
17 736
18 841
19 1089
20 1225
21 1378
22 1711
23 1901
24 2311
25 2542
26 2784
27 3313
28 3601
29 3901
30 4564
31 4915
32 5685
33 6091
34 6526
35 7441
36 7937
37 8977
38 9538
39 10116
40 11341
41 11989
42 13358
43 14080
44 14821
45 16401
46 17221
47 18964
48 19867

List of values

[2, 4, 7, 13, 31, 46, 64, 85, 145, 181, 226, 331, 397, 469, 638, 736, 841, 1089, 1225, 1378, 1711, 1901, 2311, 2542, 2784, 3313, 3601, 3901, 4564, 4915, 5685, 6091, 6526, 7441, 7937, 8977, 9538, 10116, 11341, 11989, 13358, 14080, 14821, 16401, 17221, 18964, 19867]