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.

A196372 Positive integers a for which there is a primitive (-3)-Pythagorean triple (a,b,c) satisfying a<=b.

Table of values

n a(n)
1 1
2 3
3 3
4 5
5 7
6 7
7 8
8 8
9 9
10 9
11 11
12 11
13 13
14 13
15 15
16 15
17 16
18 16
19 17
20 17
21 19
22 19
23 21
24 21
25 21
26 21
27 23
28 23
29 24
30 24
31 24
32 24
33 25
34 27
35 29
36 31
37 32
38 32
39 33
40 33
41 33
42 35
43 37
44 39
45 39
46 39
47 40
48 40
49 41
50 43
51 45
52 47
53 48
54 48
55 48
56 48
57 49
58 51
59 51
60 51
61 53
62 55
63 56
64 56
65 56
66 57
67 57
68 57

List of values

[1, 3, 3, 5, 7, 7, 8, 8, 9, 9, 11, 11, 13, 13, 15, 15, 16, 16, 17, 17, 19, 19, 21, 21, 21, 21, 23, 23, 24, 24, 24, 24, 25, 27, 29, 31, 32, 32, 33, 33, 33, 35, 37, 39, 39, 39, 40, 40, 41, 43, 45, 47, 48, 48, 48, 48, 49, 51, 51, 51, 53, 55, 56, 56, 56, 57, 57, 57]