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.

A287301 Primes that can be generated by the concatenation in base 3, in descending order, of two consecutive integers read in base 10.

Table of values

n a(n)
1 3
2 7
3 11
4 59
5 79
6 89
7 307
8 419
9 503
10 587
11 643
12 727
13 2377
14 2459
15 3361
16 3607
17 3853
18 4099
19 4591
20 4673
21 4919
22 5657
23 5821
24 5903
25 6067
26 20983
27 21227
28 22447
29 22691
30 23911
31 26107
32 26839
33 28547
34 30011
35 31231
36 31963
37 32939
38 33427
39 34159
40 34403
41 36599
42 37087
43 41479
44 42943

List of values

[3, 7, 11, 59, 79, 89, 307, 419, 503, 587, 643, 727, 2377, 2459, 3361, 3607, 3853, 4099, 4591, 4673, 4919, 5657, 5821, 5903, 6067, 20983, 21227, 22447, 22691, 23911, 26107, 26839, 28547, 30011, 31231, 31963, 32939, 33427, 34159, 34403, 36599, 37087, 41479, 42943]