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.

A145693 Numbers X such that there exists Y in N with X^2=21*Y^2+7.

Table of values

n a(n)
1 14
2 1526
3 167846
4 18461534
5 2030600894
6 223347636806
7 24566209447766
8 2702059691617454
9 297201999868472174
10 32689517925840321686
11 3595549769842566913286
12 395477785164756520139774
13 43498960818353374648461854
14 4784490212233706454810664166

List of values

[14, 1526, 167846, 18461534, 2030600894, 223347636806, 24566209447766, 2702059691617454, 297201999868472174, 32689517925840321686, 3595549769842566913286, 395477785164756520139774, 43498960818353374648461854, 4784490212233706454810664166]