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.

A244053 Let m = A244052(n) = n-th highly regular number; a(n) = number of numbers r <= m, all of whose prime divisors p also divide m.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 6
6 8
7 10
8 11
9 18
10 19
11 26
12 28
13 32
14 36
15 41
16 44
17 68
18 77
19 80
20 96
21 115
22 131
23 145
24 156
25 166
26 174
27 183
28 192
29 283
30 295
31 313
32 322
33 382
34 395
35 452
36 463
37 505
38 519
39 551
40 567
41 593
42 629
43 660
44 691
45 717
46 743
47 766
48 1161
49 1224
50 1253
51 1257
52 1285
53 1306
54 1526

List of values

[1, 2, 3, 5, 6, 8, 10, 11, 18, 19, 26, 28, 32, 36, 41, 44, 68, 77, 80, 96, 115, 131, 145, 156, 166, 174, 183, 192, 283, 295, 313, 322, 382, 395, 452, 463, 505, 519, 551, 567, 593, 629, 660, 691, 717, 743, 766, 1161, 1224, 1253, 1257, 1285, 1306, 1526]