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.

A073121 a(n) = r*a(ceiling(n/2)) + s*a(floor(n/2)) with a(1)=1 and (r,s)=(2,2).

Table of values

n a(n)
1 1
2 4
3 10
4 16
5 28
6 40
7 52
8 64
9 88
10 112
11 136
12 160
13 184
14 208
15 232
16 256
17 304
18 352
19 400
20 448
21 496
22 544
23 592
24 640
25 688
26 736
27 784
28 832
29 880
30 928
31 976
32 1024
33 1120
34 1216
35 1312
36 1408
37 1504
38 1600
39 1696
40 1792
41 1888
42 1984
43 2080
44 2176
45 2272
46 2368
47 2464
48 2560
49 2656
50 2752

List of values

[1, 4, 10, 16, 28, 40, 52, 64, 88, 112, 136, 160, 184, 208, 232, 256, 304, 352, 400, 448, 496, 544, 592, 640, 688, 736, 784, 832, 880, 928, 976, 1024, 1120, 1216, 1312, 1408, 1504, 1600, 1696, 1792, 1888, 1984, 2080, 2176, 2272, 2368, 2464, 2560, 2656, 2752]