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.

A125849 a(n) = Sum_{m=1..n-1} floor(m(n-2)/2)^2.

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 14
5 62
6 220
7 547
8 1260
9 2444
10 4560
11 7685
12 12650
13 19466
14 29484
15 42567
16 60760
17 83672
18 114240
19 151689
20 200070
21 258070
22 331100
23 417131
24 523204
25 646372
26 795600
27 966797
28 1171170
29 1403234
30 1676780
31 1984655
32 2343600
33 2744496
34 3207424

List of values

[0, 0, 0, 1, 14, 62, 220, 547, 1260, 2444, 4560, 7685, 12650, 19466, 29484, 42567, 60760, 83672, 114240, 151689, 200070, 258070, 331100, 417131, 523204, 646372, 795600, 966797, 1171170, 1403234, 1676780, 1984655, 2343600, 2744496, 3207424]