cp's OEIS Frontend

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.

A120143 a(n) = 17 + floor( (1 + Sum_{j=0..n-1} a(j))/2 ).

Table of values

n a(n)
1 17
2 26
3 39
4 58
5 87
6 131
7 196
8 294
9 441
10 662
11 993
12 1489
13 2234
14 3351
15 5026
16 7539
17 11309
18 16963
19 25445
20 38167
21 57251
22 85876
23 128814
24 193221
25 289832
26 434748
27 652122
28 978183
29 1467274
30 2200911
31 3301367
32 4952050
33 7428075
34 11142113
35 16713169

List of values

[17, 26, 39, 58, 87, 131, 196, 294, 441, 662, 993, 1489, 2234, 3351, 5026, 7539, 11309, 16963, 25445, 38167, 57251, 85876, 128814, 193221, 289832, 434748, 652122, 978183, 1467274, 2200911, 3301367, 4952050, 7428075, 11142113, 16713169]

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

Content is available under The OEIS End-User License Agreement.