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.

A095409 Numbers k such that total number of decimal digits of all distinct prime factors of k is smaller than number of digits of k.

Table of values

n a(n)
1 1
2 16
3 25
4 27
5 32
6 49
7 64
8 81
9 100
10 108
11 112
12 121
13 125
14 128
15 135
16 144
17 147
18 160
19 162
20 169
21 175
22 189
23 192
24 196
25 200
26 216
27 224
28 225
29 243
30 245
31 250
32 256
33 288
34 289
35 320
36 324
37 343
38 361
39 375
40 384
41 392
42 400
43 405
44 432
45 441
46 448
47 486
48 500
49 512
50 529
51 567
52 576
53 625
54 640

List of values

[1, 16, 25, 27, 32, 49, 64, 81, 100, 108, 112, 121, 125, 128, 135, 144, 147, 160, 162, 169, 175, 189, 192, 196, 200, 216, 224, 225, 243, 245, 250, 256, 288, 289, 320, 324, 343, 361, 375, 384, 392, 400, 405, 432, 441, 448, 486, 500, 512, 529, 567, 576, 625, 640]

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

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