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.

A329177 Numbers k such that k![4] - 256 is prime, where k![4] = A007662(k) = quadruple factorial.

Table of values

n a(n)
1 15
2 17
3 19
4 21
5 23
6 25
7 33
8 39
9 41
10 43
11 53
12 63
13 67
14 73
15 157
16 167
17 181
18 195
19 221
20 327
21 363
22 419
23 849
24 861
25 1233
26 1265
27 1599
28 2413
29 2515
30 4009
31 8291
32 8475
33 10685
34 13957
35 17453
36 18409
37 19117
38 22739
39 33313
40 37861
41 59703
42 64983
43 80697

List of values

[15, 17, 19, 21, 23, 25, 33, 39, 41, 43, 53, 63, 67, 73, 157, 167, 181, 195, 221, 327, 363, 419, 849, 861, 1233, 1265, 1599, 2413, 2515, 4009, 8291, 8475, 10685, 13957, 17453, 18409, 19117, 22739, 33313, 37861, 59703, 64983, 80697]