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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.

A309908 a(n) is 2^n represented in bijective base-9 numeration.

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 17
5 35
6 71
7 152
8 314
9 628
10 1357
11 2725
12 5551
13 12212
14 24424
15 48848
16 98797
17 218715
18 438531
19 878162
20 1867334
21 3845668
22 7792447
23 16694895
24 34499911
25 69121922
26 149243944
27 299487988
28 619987187
29 1342185385
30 2684381781
31 5478773672
32 11968657454
33 24148425918

List of values

[1, 2, 4, 8, 17, 35, 71, 152, 314, 628, 1357, 2725, 5551, 12212, 24424, 48848, 98797, 218715, 438531, 878162, 1867334, 3845668, 7792447, 16694895, 34499911, 69121922, 149243944, 299487988, 619987187, 1342185385, 2684381781, 5478773672, 11968657454, 24148425918]

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

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