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.

A299646 a(n) = Sum_{k = n..2*n+1} k^2.

Table of values

n a(n)
0 1
1 14
2 54
3 135
4 271
5 476
6 764
7 1149
8 1645
9 2266
10 3026
11 3939
12 5019
13 6280
14 7736
15 9401
16 11289
17 13414
18 15790
19 18431
20 21351
21 24564
22 28084
23 31925
24 36101
25 40626
26 45514
27 50779
28 56435
29 62496
30 68976
31 75889
32 83249
33 91070
34 99366
35 108151
36 117439
37 127244
38 137580
39 148461
40 159901

List of values

[1, 14, 54, 135, 271, 476, 764, 1149, 1645, 2266, 3026, 3939, 5019, 6280, 7736, 9401, 11289, 13414, 15790, 18431, 21351, 24564, 28084, 31925, 36101, 40626, 45514, 50779, 56435, 62496, 68976, 75889, 83249, 91070, 99366, 108151, 117439, 127244, 137580, 148461, 159901]