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.

A152276 Number of 4's among the digits of all n-digit primes.

Table of values

n a(n)
1 0
2 3
3 31
4 326
5 3412
6 35234
7 358468
8 3625027
9 36582450
10 368381208
11 3704525518
12 37218251329
13 373639701352
14 3748854986738

List of values

[0, 3, 31, 326, 3412, 35234, 358468, 3625027, 36582450, 368381208, 3704525518, 37218251329, 373639701352, 3748854986738]