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.

A268524 a(n) = r*a(ceiling(n/2))+s*a(floor(n/2)) with a(1)=1 and (r,s)=(3,1).

Table of values

n a(n)
1 1
2 4
3 13
4 16
5 43
6 52
7 61
8 64
9 145
10 172
11 199
12 208
13 235
14 244
15 253
16 256
17 499
18 580
19 661
20 688
21 769
22 796
23 823
24 832
25 913
26 940
27 967
28 976
29 1003
30 1012
31 1021
32 1024
33 1753
34 1996
35 2239
36 2320
37 2563
38 2644
39 2725
40 2752
41 2995
42 3076
43 3157
44 3184
45 3265
46 3292
47 3319
48 3328
49 3571
50 3652
51 3733
52 3760
53 3841
54 3868
55 3895

List of values

[1, 4, 13, 16, 43, 52, 61, 64, 145, 172, 199, 208, 235, 244, 253, 256, 499, 580, 661, 688, 769, 796, 823, 832, 913, 940, 967, 976, 1003, 1012, 1021, 1024, 1753, 1996, 2239, 2320, 2563, 2644, 2725, 2752, 2995, 3076, 3157, 3184, 3265, 3292, 3319, 3328, 3571, 3652, 3733, 3760, 3841, 3868, 3895]