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.

A155561 Intersection of A000404 and A154777: N = a^2 + b^2 = c^2 + 2d^2 with a,b,c,d>0.

Table of values

n a(n)
1 17
2 18
3 34
4 41
5 68
6 72
7 73
8 82
9 89
10 97
11 113
12 136
13 137
14 146
15 153
16 162
17 164
18 178
19 193
20 194
21 225
22 226
23 233
24 241
25 242
26 257
27 272
28 274
29 281
30 288
31 289
32 292
33 306
34 313
35 328
36 337
37 353
38 356
39 369
40 386
41 388
42 401
43 409
44 425
45 433
46 449
47 450
48 452
49 457
50 466
51 482
52 514
53 521
54 544

List of values

[17, 18, 34, 41, 68, 72, 73, 82, 89, 97, 113, 136, 137, 146, 153, 162, 164, 178, 193, 194, 225, 226, 233, 241, 242, 257, 272, 274, 281, 288, 289, 292, 306, 313, 328, 337, 353, 356, 369, 386, 388, 401, 409, 425, 433, 449, 450, 452, 457, 466, 482, 514, 521, 544]