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.

A000960 Flavius Josephus's sieve: Start with the natural numbers; at the k-th sieving step, remove every (k+1)-st term of the sequence remaining after the (k-1)-st sieving step; iterate.

Table of values

n a(n)
1 1
2 3
3 7
4 13
5 19
6 27
7 39
8 49
9 63
10 79
11 91
12 109
13 133
14 147
15 181
16 207
17 223
18 253
19 289
20 307
21 349
22 387
23 399
24 459
25 481
26 529
27 567
28 613
29 649
30 709
31 763
32 807
33 843
34 927
35 949
36 1009
37 1093
38 1111
39 1189
40 1261
41 1321
42 1359
43 1471
44 1483
45 1579
46 1693
47 1719
48 1807
49 1899
50 1933
51 2023

List of values

[1, 3, 7, 13, 19, 27, 39, 49, 63, 79, 91, 109, 133, 147, 181, 207, 223, 253, 289, 307, 349, 387, 399, 459, 481, 529, 567, 613, 649, 709, 763, 807, 843, 927, 949, 1009, 1093, 1111, 1189, 1261, 1321, 1359, 1471, 1483, 1579, 1693, 1719, 1807, 1899, 1933, 2023]