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.

A228424 Primes that can be written as a sum of a triangular number and a square.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 11
6 17
7 19
8 29
9 31
10 37
11 53
12 59
13 61
14 67
15 71
16 79
17 101
18 103
19 107
20 109
21 127
22 131
23 137
24 149
25 157
26 179
27 191
28 197
29 199
30 211
31 239
32 241
33 251
34 257
35 269
36 271
37 277
38 311
39 317
40 331
41 347
42 349
43 353
44 359
45 367
46 379
47 389
48 397
49 401
50 409
51 421
52 431
53 439
54 449
55 479
56 487
57 491
58 499
59 509
60 521

List of values

[2, 3, 5, 7, 11, 17, 19, 29, 31, 37, 53, 59, 61, 67, 71, 79, 101, 103, 107, 109, 127, 131, 137, 149, 157, 179, 191, 197, 199, 211, 239, 241, 251, 257, 269, 271, 277, 311, 317, 331, 347, 349, 353, 359, 367, 379, 389, 397, 401, 409, 421, 431, 439, 449, 479, 487, 491, 499, 509, 521]

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

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