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.

A117382 Primes not expressible as the sum of two triangular numbers.

Table of values

n a(n)
0 5
1 17
2 19
3 23
4 41
5 47
6 53
7 59
8 71
9 89
10 103
11 107
12 109
13 113
14 131
15 149
16 167
17 173
18 179
19 197
20 223
21 229
22 233
23 239
24 251
25 257
26 269
27 271
28 283
29 293
30 311
31 313
32 317
33 337
34 347
35 349
36 359
37 383
38 397
39 401
40 419
41 431
42 439
43 449
44 457
45 467
46 479
47 491
48 503
49 509
50 521
51 523
52 547
53 557

List of values

[5, 17, 19, 23, 41, 47, 53, 59, 71, 89, 103, 107, 109, 113, 131, 149, 167, 173, 179, 197, 223, 229, 233, 239, 251, 257, 269, 271, 283, 293, 311, 313, 317, 337, 347, 349, 359, 383, 397, 401, 419, 431, 439, 449, 457, 467, 479, 491, 503, 509, 521, 523, 547, 557]