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.

A285767 Cyclops octagonal numbers: a(n) = n*(3*n-2) with one "zero" digit in the middle.

Table of values

n a(n)
1 0
2 408
3 11041
4 18096
5 22016
6 23056
7 28033
8 38081
9 56033
10 61061
11 1140833
12 1170625
13 1250656
14 1410416
15 1460216
16 1540833
17 2120161
18 2130261
19 2140385
20 2150533
21 2310896
22 2390561
23 2460696
24 2520833
25 2570576
26 2780181
27 2920533
28 3230256
29 3280256
30 3490565
31 3660865
32 3680776

List of values

[0, 408, 11041, 18096, 22016, 23056, 28033, 38081, 56033, 61061, 1140833, 1170625, 1250656, 1410416, 1460216, 1540833, 2120161, 2130261, 2140385, 2150533, 2310896, 2390561, 2460696, 2520833, 2570576, 2780181, 2920533, 3230256, 3280256, 3490565, 3660865, 3680776]