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.

A139564 Number of primes < 10^(2n) - sum of primes < 10^n.

Table of values

n a(n)
0 0
1 8
2 169
3 2371
4 25059
5 655974
6 57509995
7 1616756446
8 28550646649
9 442195486325
10 -2830020810398
11 208945571225276
12 11214798494956489
13 307494657722438109
14 8565236469871178577

List of values

[0, 8, 169, 2371, 25059, 655974, 57509995, 1616756446, 28550646649, 442195486325, -2830020810398, 208945571225276, 11214798494956489, 307494657722438109, 8565236469871178577]