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.

A152279 Number of 7's among the digits of all n-digit primes.

Table of values

n a(n)
1 1
2 8
3 69
4 574
5 5520
6 52155
7 502179
8 4882568
9 47709672
10 468269438
11 4610668567
12 45510662200
13 450072137956
14 4457717637910

List of values

[1, 8, 69, 574, 5520, 52155, 502179, 4882568, 47709672, 468269438, 4610668567, 45510662200, 450072137956, 4457717637910]