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.

A168024 Noncomposite numbers in the northwestern ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American.

Table of values

n a(n)
0 1
1 5
2 17
3 37
4 101
5 197
6 257
7 401
8 577
9 677
10 1297
11 1601
12 2917
13 3137
14 4357
15 5477
16 7057
17 8101
18 8837
19 12101
20 13457
21 14401
22 15377
23 15877
24 16901
25 17957
26 21317
27 22501
28 24337
29 25601
30 28901
31 30977
32 32401
33 33857

List of values

[1, 5, 17, 37, 101, 197, 257, 401, 577, 677, 1297, 1601, 2917, 3137, 4357, 5477, 7057, 8101, 8837, 12101, 13457, 14401, 15377, 15877, 16901, 17957, 21317, 22501, 24337, 25601, 28901, 30977, 32401, 33857]

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

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