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.

A101715 Indices of primes in sequence defined by A(0) = 49, A(n) = 10*A(n-1) - 81 for n > 0.

Table of values

n a(n)
1 1
2 3
3 4
4 7
5 8
6 27
7 190
8 195
9 2037
10 34413
11 39265
12 50578
13 94285
14 108411
15 130479
16 178090
17 185354

List of values

[1, 3, 4, 7, 8, 27, 190, 195, 2037, 34413, 39265, 50578, 94285, 108411, 130479, 178090, 185354]