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.

A288847 Numbers whose trajectories under the map x -> A230625(x) never reach a prime.

Table of values

n a(n)
1 217
2 255
3 446
4 558
5 717
6 735
7 775
8 945
9 958
10 1007
11 1062
12 1115
13 1269
14 1344
15 1503
16 1984
17 2215
18 2358
19 3003
20 3751
21 3858
22 4131
23 4471
24 5144
25 6174
26 6627
27 6915
28 6923
29 7033
30 7073
31 7139
32 7434
33 7530
34 7778
35 8125
36 8142
37 8239
38 8335
39 8575
40 8967
41 9186
42 9303
43 10040
44 10179
45 10856
46 11907
47 12081
48 12248

List of values

[217, 255, 446, 558, 717, 735, 775, 945, 958, 1007, 1062, 1115, 1269, 1344, 1503, 1984, 2215, 2358, 3003, 3751, 3858, 4131, 4471, 5144, 6174, 6627, 6915, 6923, 7033, 7073, 7139, 7434, 7530, 7778, 8125, 8142, 8239, 8335, 8575, 8967, 9186, 9303, 10040, 10179, 10856, 11907, 12081, 12248]