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.

A215672 Fermat pseudoprimes to base 2 with three prime factors.

Table of values

n a(n)
1 561
2 645
3 1105
4 1729
5 1905
6 2465
7 2821
8 4371
9 6601
10 8481
11 8911
12 10585
13 12801
14 13741
15 13981
16 15841
17 16705
18 25761
19 29341
20 30121
21 30889
22 33153
23 34945
24 41665
25 46657
26 52633
27 57421
28 68101
29 74665
30 83665
31 87249
32 88561
33 91001
34 93961
35 113201
36 115921
37 121465
38 137149

List of values

[561, 645, 1105, 1729, 1905, 2465, 2821, 4371, 6601, 8481, 8911, 10585, 12801, 13741, 13981, 15841, 16705, 25761, 29341, 30121, 30889, 33153, 34945, 41665, 46657, 52633, 57421, 68101, 74665, 83665, 87249, 88561, 91001, 93961, 113201, 115921, 121465, 137149]