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.

A162258 a(n) = (2*n^3 + 5*n^2 - 9*n)/2.

Table of values

n a(n)
1 -1
2 9
3 36
4 86
5 165
6 279
7 434
8 636
9 891
10 1205
11 1584
12 2034
13 2561
14 3171
15 3870
16 4664
17 5559
18 6561
19 7676
20 8910
21 10269
22 11759
23 13386
24 15156
25 17075
26 19149
27 21384
28 23786
29 26361
30 29115
31 32054
32 35184
33 38511
34 42041
35 45780
36 49734
37 53909
38 58311
39 62946
40 67820

List of values

[-1, 9, 36, 86, 165, 279, 434, 636, 891, 1205, 1584, 2034, 2561, 3171, 3870, 4664, 5559, 6561, 7676, 8910, 10269, 11759, 13386, 15156, 17075, 19149, 21384, 23786, 26361, 29115, 32054, 35184, 38511, 42041, 45780, 49734, 53909, 58311, 62946, 67820]