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.

A268351 a(n) = 3*n*(9*n - 1)/2.

Table of values

n a(n)
0 0
1 12
2 51
3 117
4 210
5 330
6 477
7 651
8 852
9 1080
10 1335
11 1617
12 1926
13 2262
14 2625
15 3015
16 3432
17 3876
18 4347
19 4845
20 5370
21 5922
22 6501
23 7107
24 7740
25 8400
26 9087
27 9801
28 10542
29 11310
30 12105
31 12927
32 13776
33 14652
34 15555
35 16485
36 17442
37 18426
38 19437
39 20475
40 21540
41 22632
42 23751
43 24897
44 26070
45 27270

List of values

[0, 12, 51, 117, 210, 330, 477, 651, 852, 1080, 1335, 1617, 1926, 2262, 2625, 3015, 3432, 3876, 4347, 4845, 5370, 5922, 6501, 7107, 7740, 8400, 9087, 9801, 10542, 11310, 12105, 12927, 13776, 14652, 15555, 16485, 17442, 18426, 19437, 20475, 21540, 22632, 23751, 24897, 26070, 27270]