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.

A249743 Main diagonal of square arrays A114881 and A249741.

Table of values

n a(n)
1 1
2 8
3 34
4 90
5 208
6 376
7 628
8 816
9 1218
10 1768
11 2200
12 2922
13 3648
14 4342
15 5028
16 5988
17 7728
18 8478
19 10116
20 11572
21 12628
22 14298
23 16018
24 17710
25 21630
26 23128
27 24616
28 26856
29 28666
30 30622
31 35686
32 38382
33 42606
34 44062
35 50212
36 52698
37 56362
38 60798
39 63960
40 68680
41 73210
42 76200
43 82702
44 85498
45 90028
46 92136
47 101068
48 109492
49 114180
50 119308
51 126052
52 133122

List of values

[1, 8, 34, 90, 208, 376, 628, 816, 1218, 1768, 2200, 2922, 3648, 4342, 5028, 5988, 7728, 8478, 10116, 11572, 12628, 14298, 16018, 17710, 21630, 23128, 24616, 26856, 28666, 30622, 35686, 38382, 42606, 44062, 50212, 52698, 56362, 60798, 63960, 68680, 73210, 76200, 82702, 85498, 90028, 92136, 101068, 109492, 114180, 119308, 126052, 133122]