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.

A097274 Least integer "mod 2 prime signatures" k ordered by number of Pythagorean triples with leg = k.

Table of values

n a(n)
0 1
1 2
2 3
3 4
4 6
5 8
6 9
7 18
8 16
9 27
10 54
11 12
12 15
13 30
14 32
15 81
16 162
17 64
18 243
19 486
20 128
21 729
22 1458
23 24
24 36
25 45
26 90
27 256
28 2187
29 4374
30 512
31 6561
32 13122
33 1024
34 19683
35 39366
36 48
37 108
38 135
39 270
40 2048
41 59049
42 118098
43 4096
44 177147
45 354294
46 72
47 225
48 450
49 8192
50 531441

List of values

[1, 2, 3, 4, 6, 8, 9, 18, 16, 27, 54, 12, 15, 30, 32, 81, 162, 64, 243, 486, 128, 729, 1458, 24, 36, 45, 90, 256, 2187, 4374, 512, 6561, 13122, 1024, 19683, 39366, 48, 108, 135, 270, 2048, 59049, 118098, 4096, 177147, 354294, 72, 225, 450, 8192, 531441]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.