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.

A178723 Pseudoprimes to base 2 of the form 4k+1.

Table of values

n a(n)
1 341
2 561
3 645
4 1105
5 1729
6 1905
7 2465
8 2701
9 2821
10 3277
11 4033
12 4369
13 4681
14 5461
15 6601
16 7957
17 8321
18 8481
19 10261
20 10585
21 11305
22 12801
23 13741
24 13981
25 15709
26 15841
27 16705
28 18705
29 18721
30 23001
31 23377
32 25761
33 29341
34 30121
35 30889
36 31417
37 31609
38 31621
39 33153
40 34945
41 35333
42 39865
43 41041
44 41665
45 46657
46 49141
47 49981
48 52633

List of values

[341, 561, 645, 1105, 1729, 1905, 2465, 2701, 2821, 3277, 4033, 4369, 4681, 5461, 6601, 7957, 8321, 8481, 10261, 10585, 11305, 12801, 13741, 13981, 15709, 15841, 16705, 18705, 18721, 23001, 23377, 25761, 29341, 30121, 30889, 31417, 31609, 31621, 33153, 34945, 35333, 39865, 41041, 41665, 46657, 49141, 49981, 52633]