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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.

A004695 a(n) = floor(Fibonacci(n)/2).

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 1
5 2
6 4
7 6
8 10
9 17
10 27
11 44
12 72
13 116
14 188
15 305
16 493
17 798
18 1292
19 2090
20 3382
21 5473
22 8855
23 14328
24 23184
25 37512
26 60696
27 98209
28 158905
29 257114
30 416020
31 673134
32 1089154
33 1762289
34 2851443
35 4613732
36 7465176
37 12078908
38 19544084
39 31622993
40 51167077
41 82790070
42 133957148

List of values

[0, 0, 0, 1, 1, 2, 4, 6, 10, 17, 27, 44, 72, 116, 188, 305, 493, 798, 1292, 2090, 3382, 5473, 8855, 14328, 23184, 37512, 60696, 98209, 158905, 257114, 416020, 673134, 1089154, 1762289, 2851443, 4613732, 7465176, 12078908, 19544084, 31622993, 51167077, 82790070, 133957148]

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

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