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.

A242066 The smallest even k such that lpf_3(k-3) > lpf_3(k-1) >= p_n, where lpf_3(n) = lpf(n/3^t) (cf. A020639) such that 3^t (t>=0) is the maximal power of 3 which divides n.

Table of values

n a(n)
3 16
4 22
5 34
6 40
7 70
8 70
9 70
10 112
11 112
12 112
13 130
14 130
15 142
16 160
17 184
18 184
19 202
20 214
21 310
22 310
23 310
24 310
25 310
26 310
27 310
28 340
29 340
30 340
31 382
32 412
33 412
34 490
35 490
36 490
37 490
38 490
39 502
40 544
41 544
42 544
43 574
44 580
45 634
46 634
47 634
48 754
49 754
50 754
51 754
52 754
53 754
54 754
55 772

List of values

[16, 22, 34, 40, 70, 70, 70, 112, 112, 112, 130, 130, 142, 160, 184, 184, 202, 214, 310, 310, 310, 310, 310, 310, 310, 340, 340, 340, 382, 412, 412, 490, 490, 490, 490, 490, 502, 544, 544, 544, 574, 580, 634, 634, 634, 754, 754, 754, 754, 754, 754, 754, 772]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.