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.

A257745 Prime numbers that have a hexagonal Voronoi cell in the Voronoi diagram of the Ulam prime spiral.

Table of values

n a(n)
1 5
2 7
3 41
4 43
5 89
6 127
7 179
8 193
9 233
10 263
11 283
12 317
13 379
14 383
15 397
16 443
17 457
18 487
19 503
20 547
21 599
22 607
23 631
24 643
25 647
26 719
27 733
28 787
29 809
30 821
31 839
32 937
33 947
34 971
35 977
36 997
37 1019
38 1039
39 1049
40 1069
41 1091
42 1097
43 1103
44 1109
45 1187
46 1193
47 1217
48 1231

List of values

[5, 7, 41, 43, 89, 127, 179, 193, 233, 263, 283, 317, 379, 383, 397, 443, 457, 487, 503, 547, 599, 607, 631, 643, 647, 719, 733, 787, 809, 821, 839, 937, 947, 971, 977, 997, 1019, 1039, 1049, 1069, 1091, 1097, 1103, 1109, 1187, 1193, 1217, 1231]