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.

A046351 Palindromic composite numbers with only palindromic prime factors.

Table of values

n a(n)
1 4
2 6
3 8
4 9
5 22
6 33
7 44
8 55
9 66
10 77
11 88
12 99
13 121
14 202
15 242
16 252
17 262
18 303
19 343
20 363
21 393
22 404
23 484
24 505
25 525
26 606
27 616
28 626
29 686
30 707
31 808
32 909
33 939
34 1111
35 1331
36 1441
37 1661
38 1991
39 2112
40 2222
41 2662
42 2772
43 2882
44 3333
45 3443
46 3773
47 3883
48 3993
49 4224
50 4444
51 5445

List of values

[4, 6, 8, 9, 22, 33, 44, 55, 66, 77, 88, 99, 121, 202, 242, 252, 262, 303, 343, 363, 393, 404, 484, 505, 525, 606, 616, 626, 686, 707, 808, 909, 939, 1111, 1331, 1441, 1661, 1991, 2112, 2222, 2662, 2772, 2882, 3333, 3443, 3773, 3883, 3993, 4224, 4444, 5445]

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

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