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.

A238411 a(n) = 2*n*floor(n/2).

Table of values

n a(n)
1 0
2 4
3 6
4 16
5 20
6 36
7 42
8 64
9 72
10 100
11 110
12 144
13 156
14 196
15 210
16 256
17 272
18 324
19 342
20 400
21 420
22 484
23 506
24 576
25 600
26 676
27 702
28 784
29 812
30 900
31 930
32 1024
33 1056
34 1156
35 1190
36 1296
37 1332
38 1444
39 1482
40 1600
41 1640
42 1764
43 1806
44 1936
45 1980
46 2116
47 2162
48 2304
49 2352
50 2500

List of values

[0, 4, 6, 16, 20, 36, 42, 64, 72, 100, 110, 144, 156, 196, 210, 256, 272, 324, 342, 400, 420, 484, 506, 576, 600, 676, 702, 784, 812, 900, 930, 1024, 1056, 1156, 1190, 1296, 1332, 1444, 1482, 1600, 1640, 1764, 1806, 1936, 1980, 2116, 2162, 2304, 2352, 2500]

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

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