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.

A217583 Numbers n^2+1 such that (n-1)^2+1 and (n+1)^2+1 are prime.

Table of values

n a(n)
1 10
2 26
3 226
4 626
5 3026
6 15626
7 42026
8 148226
9 216226
10 403226
11 416026
12 511226
13 1199026
14 1311026
15 1380626
16 1550026
17 1625626
18 1729226
19 1890626
20 2449226
21 2608226
22 2805626
23 2839226
24 3861226
25 4223026
26 4347226
27 4389026
28 5784026
29 6027026
30 6426226
31 7102226
32 8037226

List of values

[10, 26, 226, 626, 3026, 15626, 42026, 148226, 216226, 403226, 416026, 511226, 1199026, 1311026, 1380626, 1550026, 1625626, 1729226, 1890626, 2449226, 2608226, 2805626, 2839226, 3861226, 4223026, 4347226, 4389026, 5784026, 6027026, 6426226, 7102226, 8037226]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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