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.

A336883 a(n) = ((A002144(n) - 1)/2)! (mod A002144(n)) where A002144(n) is the n-th Pythagorean prime.

Table of values

n a(n)
1 2
2 5
3 13
4 12
5 31
6 9
7 23
8 11
9 27
10 34
11 22
12 91
13 33
14 15
15 37
16 44
17 129
18 80
19 162
20 81
21 183
22 122
23 144
24 64
25 16
26 187
27 217
28 53
29 138
30 288
31 114
32 189
33 213
34 42
35 104
36 274
37 63
38 381
39 266
40 29
41 254
42 382
43 348
44 48
45 301
46 286
47 489
48 439
49 483
50 24
51 77
52 125
53 578
54 423
55 487
56 149
57 555
58 615
59 651
60 135
61 96
62 380
63 87
64 39
65 707

List of values

[2, 5, 13, 12, 31, 9, 23, 11, 27, 34, 22, 91, 33, 15, 37, 44, 129, 80, 162, 81, 183, 122, 144, 64, 16, 187, 217, 53, 138, 288, 114, 189, 213, 42, 104, 274, 63, 381, 266, 29, 254, 382, 348, 48, 301, 286, 489, 439, 483, 24, 77, 125, 578, 423, 487, 149, 555, 615, 651, 135, 96, 380, 87, 39, 707]