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.

A268684 a(n) = n*(n + 1)*(4*n - 1)/3.

Table of values

n a(n)
0 0
1 2
2 14
3 44
4 100
5 190
6 322
7 504
8 744
9 1050
10 1430
11 1892
12 2444
13 3094
14 3850
15 4720
16 5712
17 6834
18 8094
19 9500
20 11060
21 12782
22 14674
23 16744
24 19000
25 21450
26 24102
27 26964
28 30044
29 33350
30 36890
31 40672
32 44704
33 48994
34 53550
35 58380
36 63492
37 68894
38 74594
39 80600
40 86920

List of values

[0, 2, 14, 44, 100, 190, 322, 504, 744, 1050, 1430, 1892, 2444, 3094, 3850, 4720, 5712, 6834, 8094, 9500, 11060, 12782, 14674, 16744, 19000, 21450, 24102, 26964, 30044, 33350, 36890, 40672, 44704, 48994, 53550, 58380, 63492, 68894, 74594, 80600, 86920]