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.

A029559 Quasi-Carmichael numbers to base 4: squarefree composites n such that (n,2*3) = 1 and prime p|n ==> p-4|n-4.

Table of values

n a(n)
1 1705
2 7015
3 31369
4 53599
5 77809
6 215635
7 244885
8 248239
9 346801
10 568879
11 662935
12 898105
13 2151769
14 2240515
15 2782579
16 9480829
17 10665265
18 11219485
19 13644085
20 13929205
21 16549579
22 17782879
23 21592289
24 29354329
25 30075565
26 35448439
27 39792379

List of values

[1705, 7015, 31369, 53599, 77809, 215635, 244885, 248239, 346801, 568879, 662935, 898105, 2151769, 2240515, 2782579, 9480829, 10665265, 11219485, 13644085, 13929205, 16549579, 17782879, 21592289, 29354329, 30075565, 35448439, 39792379]

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

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