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.

A175109 a(n) = ((2*n+1)^3+(-1)^n)/2.

Table of values

n a(n)
0 1
1 13
2 63
3 171
4 365
5 665
6 1099
7 1687
8 2457
9 3429
10 4631
11 6083
12 7813
13 9841
14 12195
15 14895
16 17969
17 21437
18 25327
19 29659
20 34461
21 39753
22 45563
23 51911
24 58825
25 66325
26 74439
27 83187
28 92597
29 102689
30 113491
31 125023
32 137313
33 150381
34 164255
35 178955

List of values

[1, 13, 63, 171, 365, 665, 1099, 1687, 2457, 3429, 4631, 6083, 7813, 9841, 12195, 14895, 17969, 21437, 25327, 29659, 34461, 39753, 45563, 51911, 58825, 66325, 74439, 83187, 92597, 102689, 113491, 125023, 137313, 150381, 164255, 178955]