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.

A068714 Primes formed from a concatenation of 2 and 3^k for some k.

Table of values

n a(n)
0 23
1 29
2 227
3 281
4 2243
5 2729
6 26561
7 219683
8 24782969
9 210460353203
10 2282429536481
11 27625597484987
12 250031545098999707
13 279766443076872509863361
14 2239299329230617529590083
15 219383245667680019896796723
16 2202755595904452569706561330872953769

List of values

[23, 29, 227, 281, 2243, 2729, 26561, 219683, 24782969, 210460353203, 2282429536481, 27625597484987, 250031545098999707, 279766443076872509863361, 2239299329230617529590083, 219383245667680019896796723, 2202755595904452569706561330872953769]