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.

A293983 a(n) = least k > 0 such that prime(k) XOR prime(k+1) XOR ... XOR prime(A293927(n)) = 0 (where XOR denotes the binary XOR operator, and prime(n) = A000040(n)).

Table of values

n a(n)
1 8
2 19
3 15
4 26
5 33
6 30
7 26
8 38
9 22
10 49
11 47
12 45
13 58
14 63
15 69
16 63
17 65
18 65
19 71
20 69
21 69
22 92
23 92
24 88
25 123
26 86
27 123
28 80
29 132
30 140
31 80
32 70
33 153
34 161
35 56
36 155
37 176
38 182
39 145
40 195
41 143
42 185
43 133
44 202
45 125
46 123
47 216
48 225
49 235
50 121
51 237
52 246
53 235
54 219
55 227
56 105
57 260
58 254

List of values

[8, 19, 15, 26, 33, 30, 26, 38, 22, 49, 47, 45, 58, 63, 69, 63, 65, 65, 71, 69, 69, 92, 92, 88, 123, 86, 123, 80, 132, 140, 80, 70, 153, 161, 56, 155, 176, 182, 145, 195, 143, 185, 133, 202, 125, 123, 216, 225, 235, 121, 237, 246, 235, 219, 227, 105, 260, 254]

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

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