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.

A177223 Numbers k that are the products of two distinct primes such that 2*k+1, 4*k+3 and 8*k+7 are also products of two distinct primes.

Table of values

n a(n)
1 145
2 203
3 291
4 298
5 407
6 497
7 649
8 707
9 758
10 815
11 899
12 926
13 959
14 995
15 1079
16 1094
17 1139
18 1142
19 1157
20 1313
21 1403
22 1415
23 1461
24 1497
25 1538
26 1639
27 1658
28 1691
29 1857
30 1934
31 1945
32 1991
33 2123
34 2159
35 2217
36 2234
37 2315
38 2603
39 2629
40 2807
41 2991
42 3215
43 3254
44 3279
45 3305

List of values

[145, 203, 291, 298, 407, 497, 649, 707, 758, 815, 899, 926, 959, 995, 1079, 1094, 1139, 1142, 1157, 1313, 1403, 1415, 1461, 1497, 1538, 1639, 1658, 1691, 1857, 1934, 1945, 1991, 2123, 2159, 2217, 2234, 2315, 2603, 2629, 2807, 2991, 3215, 3254, 3279, 3305]