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.

A213533 Number of k < 10^n such that A047988(k) = 4.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 3
8 19
9 183
10 1601
11 14598
12 130117

List of values

[0, 0, 0, 0, 0, 0, 3, 19, 183, 1601, 14598, 130117]