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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.

A005468 a(n) = 1 + a(floor(n/2))*a(ceiling(n/2)).

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 7
6 10
7 16
8 26
9 36
10 50
11 71
12 101
13 161
14 257
15 417
16 677
17 937
18 1297
19 1801
20 2501
21 3551
22 5042
23 7172
24 10202
25 16262
26 25922
27 41378
28 66050
29 107170
30 173890
31 282310
32 458330
33 634350
34 877970
35 1215290
36 1682210
37 2335898
38 3243602
39 4504302
40 6255002

List of values

[1, 2, 3, 5, 7, 10, 16, 26, 36, 50, 71, 101, 161, 257, 417, 677, 937, 1297, 1801, 2501, 3551, 5042, 7172, 10202, 16262, 25922, 41378, 66050, 107170, 173890, 282310, 458330, 634350, 877970, 1215290, 1682210, 2335898, 3243602, 4504302, 6255002]

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

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