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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.

A369249 Primes of the form 4*m+3 for which there is no representation as a sum (p*q + p*r + q*r) with three odd primes p <= q <= r.

Table of values

n a(n)
1 3
2 7
3 11
4 19
5 23
6 31
7 43
8 47
9 59
10 67
11 79
12 83
13 107
14 127
15 139
16 163
17 179
18 223
19 227
20 283
21 307
22 347
23 367
24 379
25 443
26 463
27 499
28 523
29 547
30 571
31 619
32 643
33 659
34 683
35 787
36 827
37 883
38 907
39 947
40 967
41 1039
42 1087
43 1123
44 1171
45 1259
46 1327
47 1423
48 1459
49 1483
50 1523
51 1567
52 1579
53 1627
54 1699
55 1723
56 1747
57 1759
58 1787
59 1987
60 1999
61 2083
62 2143

List of values

[3, 7, 11, 19, 23, 31, 43, 47, 59, 67, 79, 83, 107, 127, 139, 163, 179, 223, 227, 283, 307, 347, 367, 379, 443, 463, 499, 523, 547, 571, 619, 643, 659, 683, 787, 827, 883, 907, 947, 967, 1039, 1087, 1123, 1171, 1259, 1327, 1423, 1459, 1483, 1523, 1567, 1579, 1627, 1699, 1723, 1747, 1759, 1787, 1987, 1999, 2083, 2143]

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