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.

A340298 a(n) = a(floor(n/2)) + a(ceiling(n/2)) + n*floor(log_2(n)) for n >= 2, a(n) = n for n <= 1.

Table of values

n a(n)
0 0
1 1
2 4
3 8
4 16
5 22
6 28
7 38
8 56
9 65
10 74
11 83
12 92
13 105
14 118
15 139
16 176
17 189
18 202
19 215
20 228
21 241
22 254
23 267
24 280
25 297
26 314
27 331
28 348
29 373
30 398
31 439
32 512
33 530
34 548
35 566
36 584
37 602
38 620
39 638
40 656
41 674
42 692
43 710
44 728
45 746
46 764
47 782
48 800
49 822
50 844
51 866
52 888
53 910
54 932
55 954

List of values

[0, 1, 4, 8, 16, 22, 28, 38, 56, 65, 74, 83, 92, 105, 118, 139, 176, 189, 202, 215, 228, 241, 254, 267, 280, 297, 314, 331, 348, 373, 398, 439, 512, 530, 548, 566, 584, 602, 620, 638, 656, 674, 692, 710, 728, 746, 764, 782, 800, 822, 844, 866, 888, 910, 932, 954]