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.

A045823 a(n) = sigma_3(2*n+1).

Table of values

n a(n)
0 1
1 28
2 126
3 344
4 757
5 1332
6 2198
7 3528
8 4914
9 6860
10 9632
11 12168
12 15751
13 20440
14 24390
15 29792
16 37296
17 43344
18 50654
19 61544
20 68922
21 79508
22 95382
23 103824
24 117993
25 137592
26 148878
27 167832
28 192080
29 205380
30 226982
31 260408
32 276948
33 300764
34 340704
35 357912

List of values

[1, 28, 126, 344, 757, 1332, 2198, 3528, 4914, 6860, 9632, 12168, 15751, 20440, 24390, 29792, 37296, 43344, 50654, 61544, 68922, 79508, 95382, 103824, 117993, 137592, 148878, 167832, 192080, 205380, 226982, 260408, 276948, 300764, 340704, 357912]