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.

A066594 Primes which can be expressed as concatenation of powers of 3 and 0's.

Table of values

n a(n)
1 3
2 11
3 13
4 19
5 31
6 101
7 103
8 109
9 113
10 127
11 131
12 139
13 181
14 191
15 193
16 199
17 271
18 311
19 313
20 331
21 811
22 911
23 919
24 991
25 1009
26 1013
27 1019
28 1031
29 1033
30 1039
31 1091
32 1093
33 1103
34 1109
35 1181
36 1193
37 1279
38 1301
39 1303
40 1319
41 1327
42 1381
43 1399
44 1811
45 1901
46 1913
47 1931

List of values

[3, 11, 13, 19, 31, 101, 103, 109, 113, 127, 131, 139, 181, 191, 193, 199, 271, 311, 313, 331, 811, 911, 919, 991, 1009, 1013, 1019, 1031, 1033, 1039, 1091, 1093, 1103, 1109, 1181, 1193, 1279, 1301, 1303, 1319, 1327, 1381, 1399, 1811, 1901, 1913, 1931]