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.

A124284 Prime(4almostprime(n))-4almostprime(prime(n)). Commutator [A000040,A014613] at n.

Table of values

n a(n)
1 29
2 53
3 97
4 113
5 161
6 159
7 145
8 269
9 244
10 232
11 231
12 247
13 261
14 373
15 399
16 386
17 328
18 350
19 375
20 371
21 395
22 547
23 559
24 572
25 537
26 541
27 577
28 635
29 679
30 663
31 607
32 621
33 687
34 673
35 658
36 769
37 871
38 853
39 839
40 856
41 832
42 881
43 947
44 939
45 1003
46 1007
47 955
48 915
49 907
50 889
51 941
52 989

List of values

[29, 53, 97, 113, 161, 159, 145, 269, 244, 232, 231, 247, 261, 373, 399, 386, 328, 350, 375, 371, 395, 547, 559, 572, 537, 541, 577, 635, 679, 663, 607, 621, 687, 673, 658, 769, 871, 853, 839, 856, 832, 881, 947, 939, 1003, 1007, 955, 915, 907, 889, 941, 989]

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

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