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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.

A005181 a(n) = ceiling(exp((n-1)/2)).

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 5
5 8
6 13
7 21
8 34
9 55
10 91
11 149
12 245
13 404
14 666
15 1097
16 1809
17 2981
18 4915
19 8104
20 13360
21 22027
22 36316
23 59875
24 98716
25 162755
26 268338
27 442414
28 729417
29 1202605
30 1982760
31 3269018
32 5389699
33 8886111
34 14650720
35 24154953
36 39824785
37 65659970
38 108254988
39 178482301

List of values

[1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 91, 149, 245, 404, 666, 1097, 1809, 2981, 4915, 8104, 13360, 22027, 36316, 59875, 98716, 162755, 268338, 442414, 729417, 1202605, 1982760, 3269018, 5389699, 8886111, 14650720, 24154953, 39824785, 65659970, 108254988, 178482301]

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

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