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.

A155171 Numbers p such that if q = p+1 then (a = q^2-p^2, b = 2*p*q, c = q^2 + p^2) is a primitive Pythagorean triple with s-1 and s+1 primes, where s = a+b+c.

Table of values

n a(n)
1 1
2 2
3 7
4 10
5 20
6 29
7 44
8 50
9 65
10 70
11 76
12 77
13 101
14 104
15 107
16 115
17 154
18 175
19 197
20 202
21 226
22 227
23 247
24 275
25 371
26 380
27 412
28 457
29 490
30 500
31 574
32 596
33 647
34 671
35 682
36 710
37 764
38 829
39 926
40 1052
41 1085
42 1102
43 1127
44 1186
45 1204
46 1205
47 1225
48 1256
49 1280
50 1324
51 1325
52 1331

List of values

[1, 2, 7, 10, 20, 29, 44, 50, 65, 70, 76, 77, 101, 104, 107, 115, 154, 175, 197, 202, 226, 227, 247, 275, 371, 380, 412, 457, 490, 500, 574, 596, 647, 671, 682, 710, 764, 829, 926, 1052, 1085, 1102, 1127, 1186, 1204, 1205, 1225, 1256, 1280, 1324, 1325, 1331]