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.

A053950 Numbers k such that k^2 contains only digits {4,5,7}.

Table of values

n a(n)
1 2
2 88
3 6888
4 6912
5 7588
6 68962
7 6674412
8 2749137588
9 7466242412
10 8629863583949388
11 27341447393189418631675507588

List of values

[2, 88, 6888, 6912, 7588, 68962, 6674412, 2749137588, 7466242412, 8629863583949388, 27341447393189418631675507588]