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.

A155923 Positive numbers y such that y^2 is of the form x^2+(x+17)^2 with integer x.

Table of values

n a(n)
1 13
2 17
3 25
4 53
5 85
6 137
7 305
8 493
9 797
10 1777
11 2873
12 4645
13 10357
14 16745
15 27073
16 60365
17 97597
18 157793
19 351833
20 568837
21 919685
22 2050633
23 3315425
24 5360317
25 11951965
26 19323713
27 31242217
28 69661157
29 112626853
30 182092985
31 406014977
32 656437405

List of values

[13, 17, 25, 53, 85, 137, 305, 493, 797, 1777, 2873, 4645, 10357, 16745, 27073, 60365, 97597, 157793, 351833, 568837, 919685, 2050633, 3315425, 5360317, 11951965, 19323713, 31242217, 69661157, 112626853, 182092985, 406014977, 656437405]