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.

A253917 Numbers that can be represented as both x^y + x and b^c + b + c, for some b, c, x, y > 1.

Table of values

n a(n)
1 72
2 738
3 2758
4 16777232
5 1073741856
6 282429536508
7 95367431640650
8 150094635296999148
9 221073919720733357899812
10 311973482284542371301330321821976098
11 1329227995784915872903807060280344640
12 85070591730234615865843651857942052992

List of values

[72, 738, 2758, 16777232, 1073741856, 282429536508, 95367431640650, 150094635296999148, 221073919720733357899812, 311973482284542371301330321821976098, 1329227995784915872903807060280344640, 85070591730234615865843651857942052992]