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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.

A220779 Exponent of highest power of 2 dividing the sum 1^n + 2^n + ... + n^n.

Table of values

n a(n)
1 0
2 0
3 2
4 1
5 0
6 0
7 4
8 2
9 0
10 0
11 2
12 1
13 0
14 0
15 6
16 3
17 0
18 0
19 2
20 1
21 0
22 0
23 4
24 2
25 0
26 0
27 2
28 1
29 0
30 0
31 8
32 4
33 0
34 0
35 2
36 1
37 0
38 0
39 4
40 2
41 0
42 0
43 2
44 1
45 0
46 0
47 6
48 3
49 0
50 0
51 2
52 1
53 0
54 0
55 4
56 2
57 0
58 0
59 2
60 1
61 0
62 0
63 10
64 5
65 0
66 0
67 2
68 1
69 0
70 0
71 4
72 2
73 0
74 0
75 2
76 1
77 0
78 0
79 6
80 3
81 0
82 0
83 2
84 1
85 0
86 0
87 4

List of values

[0, 0, 2, 1, 0, 0, 4, 2, 0, 0, 2, 1, 0, 0, 6, 3, 0, 0, 2, 1, 0, 0, 4, 2, 0, 0, 2, 1, 0, 0, 8, 4, 0, 0, 2, 1, 0, 0, 4, 2, 0, 0, 2, 1, 0, 0, 6, 3, 0, 0, 2, 1, 0, 0, 4, 2, 0, 0, 2, 1, 0, 0, 10, 5, 0, 0, 2, 1, 0, 0, 4, 2, 0, 0, 2, 1, 0, 0, 6, 3, 0, 0, 2, 1, 0, 0, 4]

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