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.

A024868 a(n) = 2*(n+1) + 3*n + ... + (k+1)*(n+2-k), where k = floor(n/2).

Table of values

n a(n)
2 6
3 8
4 22
5 27
6 52
7 61
8 100
9 114
10 170
11 190
12 266
13 293
14 392
15 427
16 552
17 596
18 750
19 804
20 990
21 1055
22 1276
23 1353
24 1612
25 1702
26 2002
27 2106
28 2450
29 2569
30 2960
31 3095
32 3536
33 3688
34 4182
35 4352
36 4902
37 5091
38 5700
39 5909
40 6580
41 6810
42 7546
43 7798
44 8602
45 8877
46 9752
47 10051
48 11000
49 11324
50 12350

List of values

[6, 8, 22, 27, 52, 61, 100, 114, 170, 190, 266, 293, 392, 427, 552, 596, 750, 804, 990, 1055, 1276, 1353, 1612, 1702, 2002, 2106, 2450, 2569, 2960, 3095, 3536, 3688, 4182, 4352, 4902, 5091, 5700, 5909, 6580, 6810, 7546, 7798, 8602, 8877, 9752, 10051, 11000, 11324, 12350]