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.

A046404 Odd numbers with exactly 2 distinct palindromic prime factors.

Table of values

n a(n)
1 15
2 21
3 33
4 35
5 55
6 77
7 303
8 393
9 453
10 505
11 543
12 573
13 655
14 707
15 755
16 905
17 917
18 939
19 955
20 1057
21 1059
22 1111
23 1119
24 1149
25 1267
26 1337
27 1441
28 1565
29 1661
30 1765
31 1865
32 1915
33 1991
34 2101
35 2181
36 2191
37 2271
38 2361
39 2391
40 2471
41 2611
42 2681
43 2757
44 2787
45 3443
46 3635
47 3785

List of values

[15, 21, 33, 35, 55, 77, 303, 393, 453, 505, 543, 573, 655, 707, 755, 905, 917, 939, 955, 1057, 1059, 1111, 1119, 1149, 1267, 1337, 1441, 1565, 1661, 1765, 1865, 1915, 1991, 2101, 2181, 2191, 2271, 2361, 2391, 2471, 2611, 2681, 2757, 2787, 3443, 3635, 3785]