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.

A162261 a(n) = (2*n^3 + 5*n^2 - 7*n)/2.

Table of values

n a(n)
1 0
2 11
3 39
4 90
5 170
6 285
7 441
8 644
9 900
10 1215
11 1595
12 2046
13 2574
14 3185
15 3885
16 4680
17 5576
18 6579
19 7695
20 8930
21 10290
22 11781
23 13409
24 15180
25 17100
26 19175
27 21411
28 23814
29 26390
30 29145
31 32085
32 35216
33 38544
34 42075
35 45815
36 49770
37 53946
38 58349
39 62985
40 67860

List of values

[0, 11, 39, 90, 170, 285, 441, 644, 900, 1215, 1595, 2046, 2574, 3185, 3885, 4680, 5576, 6579, 7695, 8930, 10290, 11781, 13409, 15180, 17100, 19175, 21411, 23814, 26390, 29145, 32085, 35216, 38544, 42075, 45815, 49770, 53946, 58349, 62985, 67860]