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.

A107993 Primes of the form r(r(r(r(r(r(n)+1)+1)+1)+1)+1)+1, where A141468(n) = r(n) = n-th nonprime.

Table of values

n a(n)
1 2
2 67
3 71
4 103
5 137
6 151
7 157
8 197
9 199
10 211
11 227
12 239
13 257
14 263
15 277
16 281
17 311
18 331
19 359
20 367
21 373
22 401
23 419
24 457
25 461
26 467
27 499
28 503
29 521
30 523
31 541
32 563
33 571
34 577
35 587
36 613
37 641
38 647
39 661
40 673
41 677
42 709
43 719
44 733
45 739
46 743
47 761
48 797
49 809
50 811
51 821
52 829

List of values

[2, 67, 71, 103, 137, 151, 157, 197, 199, 211, 227, 239, 257, 263, 277, 281, 311, 331, 359, 367, 373, 401, 419, 457, 461, 467, 499, 503, 521, 523, 541, 563, 571, 577, 587, 613, 641, 647, 661, 673, 677, 709, 719, 733, 739, 743, 761, 797, 809, 811, 821, 829]