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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.

A292389 a(n) = SumXOR_{k=1..n} A292388(k) (where SumXOR is the analog of summation under the binary XOR operation).

Table of values

n a(n)
1 2
2 3
3 7
4 2
5 5
6 3
7 11
8 2
9 13
10 7
11 11
12 5
13 23
14 7
15 19
16 2
17 17
18 7
19 31
20 5
21 37
22 59
23 31
24 3
25 37
26 7
27 47
28 5
29 41
30 2
31 23
32 37
33 2
34 31
35 47
36 2
37 29
38 41
39 7
40 61
41 11
42 53
43 2
44 43
45 19
46 47
47 109
48 41
49 97
50 43
51 107
52 37
53 113
54 61
55 2
56 59
57 107
58 61
59 101
60 59
61 97
62 61
63 89
64 31
65 127
66 29
67 79
68 2
69 67

List of values

[2, 3, 7, 2, 5, 3, 11, 2, 13, 7, 11, 5, 23, 7, 19, 2, 17, 7, 31, 5, 37, 59, 31, 3, 37, 7, 47, 5, 41, 2, 23, 37, 2, 31, 47, 2, 29, 41, 7, 61, 11, 53, 2, 43, 19, 47, 109, 41, 97, 43, 107, 37, 113, 61, 2, 59, 107, 61, 101, 59, 97, 61, 89, 31, 127, 29, 79, 2, 67]

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

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