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.

A006325 4-dimensional analog of centered polygonal numbers.

Table of values

n a(n)
0 0
1 0
2 1
3 7
4 26
5 70
6 155
7 301
8 532
9 876
10 1365
11 2035
12 2926
13 4082
14 5551
15 7385
16 9640
17 12376
18 15657
19 19551
20 24130
21 29470
22 35651
23 42757
24 50876
25 60100
26 70525
27 82251
28 95382
29 110026
30 126295
31 144305
32 164176
33 186032
34 210001
35 236215
36 264810
37 295926

List of values

[0, 0, 1, 7, 26, 70, 155, 301, 532, 876, 1365, 2035, 2926, 4082, 5551, 7385, 9640, 12376, 15657, 19551, 24130, 29470, 35651, 42757, 50876, 60100, 70525, 82251, 95382, 110026, 126295, 144305, 164176, 186032, 210001, 236215, 264810, 295926]