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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.

A124282 Primes indexed by 4-almost primes.

Table of values

n a(n)
1 53
2 89
3 151
4 173
5 251
6 263
7 281
8 419
9 433
10 457
11 463
12 541
13 569
14 701
15 743
16 761
17 769
18 809
19 863
20 881
21 911
22 1097
23 1129
24 1193
25 1213
26 1249
27 1291
28 1373
29 1427
30 1439
31 1459
32 1481
33 1571
34 1583
35 1657
36 1783
37 1931
38 1949
39 1951
40 2017
41 2029
42 2087
43 2203
44 2213
45 2287
46 2297

List of values

[53, 89, 151, 173, 251, 263, 281, 419, 433, 457, 463, 541, 569, 701, 743, 761, 769, 809, 863, 881, 911, 1097, 1129, 1193, 1213, 1249, 1291, 1373, 1427, 1439, 1459, 1481, 1571, 1583, 1657, 1783, 1931, 1949, 1951, 2017, 2029, 2087, 2203, 2213, 2287, 2297]

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

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