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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.

A365819 a(n) = a(n-1) - 1 + floor(median(a) - mean(a)) where a(0) = 0, a(1) = 1, and median(a) and mean(a) are respectively the median and mean of all previous terms.

Table of values

n a(n)
0 0
1 1
2 0
3 -2
4 -3
5 -4
6 -5
7 -7
8 -8
9 -9
10 -10
11 -11
12 -12
13 -13
14 -15
15 -17
16 -19
17 -21
18 -22
19 -23
20 -24
21 -25
22 -26
23 -27
24 -27
25 -27
26 -27
27 -27
28 -28
29 -29
30 -31
31 -33
32 -36
33 -39
34 -43
35 -47
36 -51
37 -54
38 -57
39 -59
40 -61
41 -63
42 -64
43 -65
44 -65
45 -65
46 -65
47 -64
48 -63
49 -61
50 -58
51 -55
52 -51
53 -47
54 -43
55 -39
56 -35
57 -31
58 -28
59 -25
60 -22
61 -19

List of values

[0, 1, 0, -2, -3, -4, -5, -7, -8, -9, -10, -11, -12, -13, -15, -17, -19, -21, -22, -23, -24, -25, -26, -27, -27, -27, -27, -27, -28, -29, -31, -33, -36, -39, -43, -47, -51, -54, -57, -59, -61, -63, -64, -65, -65, -65, -65, -64, -63, -61, -58, -55, -51, -47, -43, -39, -35, -31, -28, -25, -22, -19]

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