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.

A352736 a(n) is the smallest b >= 2 such that 1 + Sum_{k=0..n} b^(2^k) is prime, or 1 if no such b exists.

Table of values

n a(n)
0 2
1 2
2 2
3 1
4 6
5 3
6 448
7 107
8 104
9 1
10 4556
11 1
12 24124
13 121209
14 368
15 177817
16 48330
17 1

List of values

[2, 2, 2, 1, 6, 3, 448, 107, 104, 1, 4556, 1, 24124, 121209, 368, 177817, 48330, 1]