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.

A069987 Squarefree numbers of form k^2 + 1.

Table of values

n a(n)
1 2
2 5
3 10
4 17
5 26
6 37
7 65
8 82
9 101
10 122
11 145
12 170
13 197
14 226
15 257
16 290
17 362
18 401
19 442
20 485
21 530
22 577
23 626
24 677
25 730
26 785
27 842
28 901
29 962
30 1090
31 1157
32 1226
33 1297
34 1370
35 1522
36 1601
37 1765
38 1937
39 2026
40 2117
41 2210
42 2305
43 2402
44 2501
45 2602
46 2705
47 2810
48 2917
49 3026

List of values

[2, 5, 10, 17, 26, 37, 65, 82, 101, 122, 145, 170, 197, 226, 257, 290, 362, 401, 442, 485, 530, 577, 626, 677, 730, 785, 842, 901, 962, 1090, 1157, 1226, 1297, 1370, 1522, 1601, 1765, 1937, 2026, 2117, 2210, 2305, 2402, 2501, 2602, 2705, 2810, 2917, 3026]

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

Content is available under The OEIS End-User License Agreement.