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.

A144851 a(n) = number of distinct prime divisors (taken together) of numbers of the form 2x^2+1 for x<=10^n.

Table of values

n a(n)
1 8
2 76
3 760
4 7445
5 73477
6 726948
7 7218256
8 71801859
9 715087632
10 7127665635
11 71089166879
12 709344259821

List of values

[8, 76, 760, 7445, 73477, 726948, 7218256, 71801859, 715087632, 7127665635, 71089166879, 709344259821]