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.

A268525 a(n) = r*a(ceiling(n/2))+s*a(floor(n/2)) with a(1)=1 and (r,s)=(2,3).

Table of values

n a(n)
1 1
2 5
3 13
4 25
5 41
6 65
7 89
8 125
9 157
10 205
11 253
12 325
13 373
14 445
15 517
16 625
17 689
18 785
19 881
20 1025
21 1121
22 1265
23 1409
24 1625
25 1721
26 1865
27 2009
28 2225
29 2369
30 2585
31 2801
32 3125
33 3253
34 3445
35 3637
36 3925
37 4117
38 4405
39 4693
40 5125
41 5317
42 5605
43 5893
44 6325
45 6613
46 7045
47 7477
48 8125
49 8317
50 8605
51 8893
52 9325
53 9613
54 10045

List of values

[1, 5, 13, 25, 41, 65, 89, 125, 157, 205, 253, 325, 373, 445, 517, 625, 689, 785, 881, 1025, 1121, 1265, 1409, 1625, 1721, 1865, 2009, 2225, 2369, 2585, 2801, 3125, 3253, 3445, 3637, 3925, 4117, 4405, 4693, 5125, 5317, 5605, 5893, 6325, 6613, 7045, 7477, 8125, 8317, 8605, 8893, 9325, 9613, 10045]