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.

A231591 Total number of 2's digits in primes less than 10^n.

Table of values

n a(n)
1 1
2 3
3 32
4 391
5 3906
6 39572
7 400626
8 4047829
9 40794211
10 410514052
11 4126066282
12 41436122092
13 415853103290
14 4171375888398

List of values

[1, 3, 32, 391, 3906, 39572, 400626, 4047829, 40794211, 410514052, 4126066282, 41436122092, 415853103290, 4171375888398]