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.

A138190 Numerator of (n-1)*n*(n+1)/12.

Table of values

n a(n)
1 0
2 1
3 2
4 5
5 10
6 35
7 28
8 42
9 60
10 165
11 110
12 143
13 182
14 455
15 280
16 340
17 408
18 969
19 570
20 665
21 770
22 1771
23 1012
24 1150
25 1300
26 2925
27 1638
28 1827
29 2030
30 4495
31 2480
32 2728
33 2992
34 6545
35 3570
36 3885
37 4218
38 9139
39 4940
40 5330
41 5740
42 12341
43 6622
44 7095
45 7590
46 16215
47 8648

List of values

[0, 1, 2, 5, 10, 35, 28, 42, 60, 165, 110, 143, 182, 455, 280, 340, 408, 969, 570, 665, 770, 1771, 1012, 1150, 1300, 2925, 1638, 1827, 2030, 4495, 2480, 2728, 2992, 6545, 3570, 3885, 4218, 9139, 4940, 5330, 5740, 12341, 6622, 7095, 7590, 16215, 8648]